5G RedCap UFI antenna assembly

Abstract

The utility model provides a 5G RedCap UFI antenna assembly, which comprises a mainboard, a first support and a second support, the first support and the second support are respectively arranged at two opposite ends of the mainboard, the first support is provided with a first antenna, the second support is provided with a second antenna and a third antenna, the second antenna is arranged at one end of the second support, and the third antenna is arranged at the other end of the second support. The first antenna is arranged at one end of the first antenna, the second antenna is arranged at the other end of the second antenna, the third antenna is arranged at the other end of the second antenna, the first antenna is a double-coupling unit monopole monopole antenna, the second antenna is a single-coupling unit monopole monopole antenna, and the third antenna is a PIFA wifi antenna. The 5G RedCap UFI antenna assembly has the advantages that the 5G RedCap UFI antenna assembly is compact in structure, space of the antenna support can be fully utilized, coexistence of a 5G NR antenna and a WiFi antenna is achieved in a limited space environment, the antenna assembly provides excellent radio frequency performance indexes under the condition that the compact structure is guaranteed, interference among multiple antennas is reduced, and user experience is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to antenna structure technical field especially is 5G RedCap UFI antenna assembly. BACKGROUND

[0002] With the coverage and rise of 5G network market, 4G network product gradually fades out of the market, and 4G UFI product is no exception, and the replacement is 5G UFI network product, and 5G UFI network product often needs to design multiple antennas, when arranging multiple antennas, multiple frequency antennas are generally arranged in the end of network card electromagnetic environment, and other auxiliary, diversity or WIFI antennas are dispersedly arranged or arranged in the end away from multiple frequency antennas.

[0003] However, affected by product design and RF module, 5G NR main antenna and WIFI antenna are often forced to be designed in the end of the network port with poor environment, which brings great difficulty to antenna design, and designing two antennas in small structure space undoubtedly brings challenge to design. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that provides a 5G RedCap UFI antenna assembly that can have good radio frequency index in limited space.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme that a 5G RedCap UFI antenna assembly, including mainboard, first support and second support, the first support and second support are arranged at the opposite ends of the mainboard respectively, the first support is equipped with first antenna, the second support is equipped with second antenna and third antenna, the second antenna is arranged at one end of the second support, the third antenna is arranged at the other end of the second support, the first antenna is double-coupling single-unit monopole antenna, the second antenna is single-coupling single-unit monopole antenna, and the third antenna is PIFA wifi antenna.

[0006] Further, the first antenna comprises a first substrate and a first main radiator, a first coupling branch and a second coupling branch arranged on the first substrate, the first substrate comprises a first substrate first branch and a first substrate second branch, the first substrate first branch and the first substrate second branch are arranged on the upper side of the first substrate, the first substrate first branch is arranged on the left side of the first substrate second branch, the first coupling branch is arranged on the first substrate first branch, the upper end of the first coupling branch is provided with a first coupling branch feed point, the second coupling branch is arranged on the first substrate second branch, the upper end of the second coupling branch is provided with a second coupling branch feed point, the first main radiator comprises a first feed part extending towards the first substrate first branch, the upper end of the first feed part is provided with a first feed point, and the first coupling branch and the first feed part are parallel to each other.

[0007] Further, the first main radiator comprises a first main radiation part, a first antenna first left radiation part, a first antenna second left radiation part, a first antenna third left radiation part, a first antenna first right radiation part, a first antenna second right radiation part and a first antenna third right radiation part.

[0008] The left end of the first main radiation part is sequentially connected with the first antenna first left radiation part, the first antenna second left radiation part and the first antenna third left radiation part, and an "L" shaped gap is formed between the first main radiation part, the first antenna first left radiation part, the first antenna second left radiation part and the first antenna third left radiation part.

[0009] The right end of the first main radiation part is sequentially connected with the first antenna first right radiation part, the first antenna second right radiation part and the first antenna third right radiation part, the first antenna first right radiation part, the first antenna second right radiation part and the first antenna third right radiation part enclose a concave region, the concave region is provided with a first antenna fourth right radiation part, and the left end of the first antenna fourth right radiation part is connected with the right end of the first main radiation part.

[0010] Further, when the first antenna is installed to the first support, the left side of the first antenna first left radiation part and the left side of the first antenna third left radiation part are attached to the left side surface of the first support, and the right side of the first antenna second right radiation part is attached to the right side surface of the first support.

[0011] Further, the first support is provided with a first branch seat corresponding to the first substrate first branch, the first substrate first branch is attached to the first branch seat, the first feed point is aligned with the first feed position arranged on the main board, and the first coupling branch feed point is aligned with the first coupling branch feed position arranged on the main board.

[0012] The first support corresponds to the first substrate second branch and is provided with a second branch seat, the first substrate second branch is attached to the second branch seat, and the second coupling branch feed point is aligned with the second coupling branch feed position provided on the main plate.

[0013] Further, the second antenna comprises a second substrate and a second main radiator and a third coupling branch provided on the second substrate, the second substrate comprises a second substrate branch provided on the lower side of the second substrate, the third coupling branch is provided on the second substrate branch, and the lower end of the third coupling branch is provided with a third coupling branch feed point; the second main radiator comprises a second feed part extending to the second substrate branch, and the lower end of the second feed part is provided with a second feed point, and the third coupling branch and the second feed part are parallel to each other.

[0014] Further, the second main radiator comprises a second main radiation part, a second antenna first left radiation part, a second antenna second left radiation part, a second antenna first right radiation part, a second antenna second right radiation part, a second antenna third right radiation part, a second antenna fourth right radiation part, and a second antenna fifth right radiation part.

[0015] The left end of the second main radiation part is sequentially connected with the second antenna first left radiation part and the second antenna second left radiation part;

[0016] The right lower end of the second main radiation part is sequentially connected with the second antenna first right radiation part, the second antenna second right radiation part, and the second antenna third right radiation part;

[0017] The right upper end of the second main radiation part is sequentially connected with the second antenna fourth right radiation part and the second antenna fifth right radiation part.

[0018] The middle of the second main radiation part is provided with a first hollow part, and the middle of the second antenna second right radiation part is provided with a second hollow part.

[0019] Further, when the second antenna is installed to the second support, the second antenna second right radiation part is attached to the right side surface of the second support, and the second antenna third right radiation part is attached to the bottom surface of the second support.

[0020] Further, the second support corresponds to the second substrate branch and is provided with a third branch seat, the second substrate branch is attached to the third branch seat, and the second feed point is aligned with the second feed position provided on the main plate, and the third coupling branch feed point is aligned with the third coupling branch feed position provided on the main plate.

[0021] Further, the third antenna comprises a third substrate and a third main radiator arranged on the third substrate, the third substrate comprises a third substrate branch arranged on the lower side of the third substrate, the third main radiator comprises a third feeding portion extending to the third substrate branch, the lower end of the third feeding portion is provided with a third feeding point and a fourth feeding point, an air gap is arranged between the third feeding point and the fourth feeding point, and the third feeding portion is provided with a third hollow portion;

[0022] The third main radiator comprises a third main radiation portion, a WiFi left radiation portion and a WiFi right radiation portion, the left end of the third main radiation portion is connected with the WiFi left radiation portion, and the right end of the third main radiation portion is connected with the WiFi right radiation portion.

[0023] When the third antenna is mounted to the second support, the WiFi left radiation portion is attached to the left side of the second support, the second support is provided with a WiFi branch seat corresponding to the third substrate branch, the third substrate branch is attached to the WiFi branch seat, the third feeding point is aligned with the third feeding position arranged on the mainboard, and the fourth feeding point is aligned with the fourth feeding position arranged on the mainboard.

[0024] The 5G RedCap UFI antenna assembly has the advantages that a compact structure is provided, the antenna support space can be fully utilized, 5G NR and WiFi antennas can coexist in a limited space environment, excellent radio frequency performance indexes are provided under the condition of ensuring the compact structure, the interference between multiple antennas is reduced, and user experience is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0025] The specific structure of the utility model and the test diagram of the antenna assembly will be described in detail below with reference to the drawings:

[0026] Figure 1 It is a whole structure schematic diagram of the 5G RedCap UFI antenna assembly of the utility model;

[0027] Figure 2 It is an explosion structure schematic diagram of the 5G RedCap UFI antenna assembly of the utility model;

[0028] Figure 3 It is an explosion structure schematic diagram of the first support and the first antenna of the utility model;

[0029] Figure 4 It is an explosion structure schematic diagram of the second support, the second antenna and the third antenna of the utility model;

[0030] Figure 5It is a front structure schematic view of the 5G RedCap UFI antenna assembly of the utility model;

[0031] Figure 6 It is a left side structure schematic view of the 5G RedCap UFI antenna assembly of the utility model;

[0032] Figure 7 It is a right side structure schematic view of the 5G RedCap UFI antenna assembly of the utility model;

[0033] Figure 8 It is a bottom structure schematic view of the 5G RedCap UFI antenna assembly of the utility model;

[0034] Figure 9 It is a plane structure schematic view of the first antenna of the utility model;

[0035] Figure 10 It is a plane structure schematic view of the second antenna of the utility model;

[0036] Figure 11 It is a plane structure schematic view of the third antenna of the utility model;

[0037] Figure 12 It is an S11 index test view of the first antenna of the utility model;

[0038] Figure 13 It is an S11 index test view of the second antenna of the utility model;

[0039] Figure 14 It is an S11 index test view of the third antenna of the utility model;

[0040] Figure 15 It is an Isolation index test view of the first antenna and the second antenna of the utility model;

[0041] Figure 16 It is an Isolation index test view of the second antenna and the third antenna of the utility model;

[0042] 1-mainboard;11-first feeding elastic conductive part;12-first coupling branch feeding elastic conductive part;13-second coupling branch feeding elastic conductive part;14-third coupling branch feeding elastic conductive part;15-second feeding elastic conductive part;16-third feeding elastic conductive part;17-fourth feeding elastic conductive part;

[0043] 2-first support;21-first branch seat;22-second branch seat;

[0044] 3-second support;31-third branch seat;32-WiFi branch seat;

[0045] 100 - first antenna; 101 - first substrate; 102 - first substrate first branch; 103 - first substrate second branch;

[0046] 111 - first main radiation part; 1111 - first feeding part; 1112 - first feeding point; 112 - first antenna first left radiation part; 113 - first antenna second left radiation part; 114 - first antenna third left radiation part; 115 - first antenna first right radiation part; 116 - first antenna second right radiation part; 117 - first antenna third right radiation part; 118 - first antenna fourth right radiation part;

[0047] 120 - first coupling branch; 121 - first coupling branch feeding point;

[0048] 130 - second coupling branch; 131 - second coupling branch feeding point;

[0049] 200 - second antenna; 201 - second substrate; 202 - second substrate branch;

[0050] 211 - second main radiation part; 2111 - second feeding part; 2112 - second feeding point; 2113 - first hollowed part; 212 - second antenna first left radiation part; 213 - second antenna second left radiation part; 214 - second antenna first right radiation part; 215 - second antenna second right radiation part; 2151 - second hollowed part; 216 - second antenna third right radiation part; 217 - second antenna fourth right radiation part; 218 - second antenna fifth right radiation part;

[0051] 220 - third coupling branch; 221 - third coupling branch feeding point;

[0052] 300 - third antenna; 301 - third substrate; 302 - third substrate branch;

[0053] 311 - third main radiation part; 312 - third feeding part; 3121 - third feeding point; 3122 - fourth feeding point; 3123 - air gap; 3124 - third hollowed part; 313 - WiFi left radiation part; 3131 - WiFi left radiation part short side; 3132 - WiFi left radiation part long side; 3133 - WiFi left radiation part branch; 314 - WiFi right radiation part;

[0054] 400 - stress hole; 401 - antenna positioning hole. DETAILED DESCRIPTION

[0055] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0056] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0057] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0058] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0059] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0060] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0061] Embodiment

[0062] Please refer to Figures 1 to 16 The present embodiment provides a 5G RedCap UFI antenna assembly, comprising a mainboard 1, a first support 2 and a second support 3, the first support 2 and the second support 3 are respectively arranged at the opposite ends of the mainboard 1, the first support 2 is provided with a first antenna 100, the second support 3 is provided with a second antenna 200 and a third antenna 300, the second antenna 200 is arranged at one end of the second support 3, the third antenna 300 is arranged at the other end of the second support 3, the first antenna 100 is a double-coupled single-unit monopole antenna, the second antenna 200 is a single-coupled single-unit monopole antenna, and the third antenna 300 is a PIFA wifi antenna.

[0063] In the present embodiment, the first support 2 and the second support 3 are respectively arranged at the two ends of the mainboard 1 of the 5G UFI device along the length direction, and the first antenna 100 is installed on the first support 2, and the second antenna 200 and the third antenna 300 are installed on the second support 3, and the second antenna 200 is arranged at the right end of the second support 3, and the third antenna 300 is arranged at the left end of the second support 3, and the minimum distance between the second antenna 200 and the third antenna 300 is 6.62mm, when the first support 2 and the second support 3 are installed on the mainboard 1, the first antenna 100, the second antenna 200 and the third antenna 300 are respectively electrically connected with the mainboard 1, that is, the antenna installation of the UFI device is completed.

[0064] For the convenience of description, the positional relationship between the second antenna 200 and the first antenna 100 is defined as the second antenna 200 being above and the first antenna 100 being below, and the following is the same.

[0065] The first antenna 100 is a double-coupled single-unit monopole antenna, and the working frequency of the first antenna 100 is 700MHz-800MHz, 1800MHz-2690MHz, 3300MHz-5000MHz;

[0066] The second antenna 200 is a single-coupling single-unit monopole antenna, and the operating frequency of the second antenna 200 is 700-800 MHz, 1800-2690 MHz, and 3300-5000 MHz.

[0067] The third antenna 300 is a PIFA wifi antenna, and the operating frequency of the third antenna 300 is 2400-2500 MHz and 5150-5850 MHz.

[0068] The first antenna 100 is installed on one bracket, and the second antenna 200 and the third antenna 300 are installed on another bracket and arranged away from the first antenna 100, which can effectively reduce the mutual influence among the three antennas and ensure that the radio frequency performance index meets the design requirements in the case of small and compact 5G UFI equipment.

[0069] As preferred in the embodiment, the first antenna 100 includes a first substrate 101, a first main radiator, a first coupling branch 120, and a second coupling branch 130 arranged on the first substrate 101, the first substrate 101 includes a first substrate first branch 102 and a first substrate second branch 103, the first substrate first branch 102 and the first substrate second branch 103 are arranged on the upper side of the first substrate 101, the first substrate first branch 102 is arranged on the left side of the first substrate second branch 103, the first coupling branch 120 is arranged on the first substrate first branch 102, the upper end of the first coupling branch 120 is provided with a first coupling branch feed point 121, the second coupling branch 130 is arranged on the first substrate second branch 103, the upper end of the second coupling branch 130 is provided with a second coupling branch feed point 131, the first main radiator includes a first feed part 1111 extending towards the first substrate first branch 102, the upper end of the first feed part 1111 is provided with a first feed point 1112, and the first coupling branch 120 and the first feed part 1111 are parallel to each other.

[0070] In the embodiment, the first antenna 100 is a FPC structure antenna, so that the first antenna 100 can be bent and attached to the antenna support to reduce the area occupied by the first antenna 100 on the plane. The first antenna 100 specifically comprises a first substrate 101, a first main radiator, a first coupling branch 120 and a second coupling branch 130 arranged on the first substrate 101. The first substrate 101 comprises a first substrate first branch 102 and a first substrate second branch 103, both of which are arranged on the upper side of the first substrate 101. The distance between the first substrate first branch 102 and the first substrate second branch 103 is at least 13.3 mm. The distance between the first substrate first branch 102 and the left end of the first substrate 101 is 7.8 mm. The distance between the first substrate second branch 103 and the right end of the first substrate 101 is 19.1 mm.

[0071] The first coupling branch 120 is arranged at the end of the first substrate first branch 102 away from the first main radiator and on the left side of the first substrate first branch 102. The upper end of the first coupling branch 120 is provided with a first coupling branch feed point 121 for connecting with the first coupling branch feed elastic conductive member arranged on the mainboard 1. The distance between the first coupling branch 120 and the first main radiator is 6.91 mm. The length of the first coupling branch 120 is 6.25 mm, and the width is 2 mm.

[0072] The second coupling branch 130 is arranged at the end of the first substrate second branch 103 away from the first main radiator and on the right side of the first substrate second branch 103. The upper end of the second coupling branch 130 is provided with a second coupling branch feed point 131 for connecting with the second coupling branch feed elastic conductive member arranged on the mainboard 1. The length of the second coupling branch 130 is 9.7 mm, and the width is 2 mm.

[0073] The first main radiator comprises a first feed part 1111 extending towards the first substrate first branch 102. The upper end of the first feed part 1111 is provided with a first feed point 1112 for connecting with the first feed elastic conductive member arranged on the mainboard 1. The first coupling branch 120 and the first feed part 1111 are parallel to each other. The length of the first feed part 1111 is 13.16 mm, and the width is 2.52 mm.

[0074] The first feed point 1112, the first coupling branch feed point 121 and the second coupling branch feed point 131 can realize the radio frequency electrical connection between the first antenna 100 and the mainboard 1.

[0075] As preferred in the embodiment, the first main radiator comprises a first main radiation part 111, a first antenna first left radiation part 112, a first antenna second left radiation part 113, a first antenna third left radiation part 114, a first antenna first right radiation part 115, a first antenna second right radiation part 116 and a first antenna third right radiation part 117.

[0076] The left end of the first main radiation part 111 is connected with the first antenna first left radiation part 112, the first antenna second left radiation part 113 and the first antenna third left radiation part 114 in sequence, and an "L" shaped slot is formed between the first main radiation part 111, the first antenna first left radiation part 112, the first antenna second left radiation part 113 and the first antenna third left radiation part 114.

[0077] The right end of the first main radiation part 111 is connected with the first antenna first right radiation part 115, the first antenna second right radiation part 116 and the first antenna third right radiation part 117 in sequence, and a concave area is formed by the first antenna first right radiation part 115, the first antenna second right radiation part 116 and the first antenna third right radiation part 117, and a first antenna fourth right radiation part 118 is arranged in the concave area, and the left end of the first antenna fourth right radiation part 118 is connected with the right end of the first main radiation part 111.

[0078] In the embodiment, in order to make the first antenna work in the frequency bands of 700MHz-800MHz, 1800MHz-2690MHz and 3300MHz-5000MHz, the first main radiator comprises a first main radiation part 111, a first antenna first left radiation part 112, a first antenna second left radiation part 113, a first antenna third left radiation part 114, a first antenna first right radiation part 115, a first antenna second right radiation part 116 and a first antenna third right radiation part 117.

[0079] Specifically, the lower left end of the first main radiation part 111 is connected with the right end of the first antenna first left radiation part 112, the left end of the first antenna first left radiation part 112 is connected with the lower end of the first antenna second left radiation part 113, and the upper end of the first antenna second left radiation part 113 is connected with the left end of the first antenna third left radiation part 114, so as to form an "L" shaped slot between the first main radiation part 111, the first antenna first left radiation part 112, the first antenna second left radiation part 113 and the first antenna third left radiation part 114. The length of the first main radiation part 111 along the length direction of the first substrate is 6 mm, and the width is 7.25 mm; the length of the first antenna first left radiation part 112 along the length direction of the first substrate is 8.89 mm, and the width is 2.01 mm; the length of the first antenna second left radiation part 113 along the length direction of the first substrate is 3.1 mm, and the width is 1.4 mm; the length of the first antenna third left radiation part 114 along the length direction of the first substrate is 7.01 mm, and the width is 2.8 mm.

[0080] The upper right end of the first main radiation part 111 is connected with the left end of the first antenna first right radiation part 115, the right end of the first antenna first right radiation part 115 is connected with the upper left end of the first antenna second right radiation part 116, the lower left end of the first antenna second right radiation part 116 is connected with the right end of the first antenna third right radiation part 117, so that the first antenna first right radiation part 115, the first antenna second right radiation part 116 and the first antenna third right radiation part 117 enclose a concave region, the first antenna fourth right radiation part 118 is arranged in the concave region, the left end of the first antenna fourth right radiation part 118 is connected with the right end of the first main radiation part 111, the first antenna fourth right radiation part 118 is in the shape of "L" and includes a first antenna fourth right radiation part short side and a first antenna fourth right radiation part long side, the left end of the first antenna fourth right radiation part short side is connected with the right lower end of the first main radiation part 111, and the first antenna fourth right radiation part long side is connected with the upper right end of the first antenna fourth right radiation part short side. The length of the first antenna first right radiation part 115 along the length direction of the first substrate is 18.46mm, and the width is 1.9mm; the length of the first antenna second right radiation part 116 along the length direction of the first substrate is 15.12mm, and the width is 6.9mm; the length of the first antenna third right radiation part 117 along the length direction of the first substrate is 14.56mm, and the width is 1.55mm; the length of the first antenna fourth right radiation part short side along the length direction of the first substrate is 2.5mm, and the width is 4.35mm; the length of the first antenna fourth right radiation part long side along the length direction of the first substrate is 12.86mm, and the width is 1.3mm. The distance between the first antenna fourth right radiation part 118 and the first antenna second right radiation part 115 is 1mm, the distance between the first antenna fourth right radiation part 118 and the first antenna third right radiation part 117 is 1.5mm, the distance between the first antenna fourth right radiation part long side and the first antenna third right radiation part 116 is 3.1mm, and the distance between the second coupling branch 130 and the first antenna second right radiation part 115 is 3mm.

[0081] Therefore, the first antenna 100 can achieve the designed radio frequency performance indicators in the working frequency bands of 700MHz-800MHz, 1800MHz-2690MHz and 3300MHz-5000MHz.

[0082] Please refer to Table 1, which is the Gain & Effeciency indicators of the first antenna.

[0083]

[0084]

[0085] Table 1

[0086] As preferred in the embodiment, when the first antenna 100 is mounted to the first support 2, the left side of the first antenna first left radiation part 112, the left side of the first antenna third left radiation part 114 and the first antenna second left radiation part 113 are attached to the left side of the first support 2.

[0087] In implementation, in order to reduce the area occupied by the first antenna 100 on the plane, the first antenna 100 is mounted to the first support 2. When the first antenna 100 is mounted to the first support 2, the first radiation part 111, the right side of the first antenna first left radiation part 112, the right side of the first antenna third left radiation part 114, the first antenna first right radiation part 115, the left side of the first antenna second right radiation part 116, the first antenna third right radiation part 117 and the first antenna fourth radiation part 118 are attached to the front of the first support 2; the left side of the first antenna first left radiation part 112, the left side of the first antenna third left radiation part 114 and the first antenna second left radiation part 113 are attached to the left side of the first support 2; and the right side of the first antenna second right radiation part 116 is attached to the right side of the first support 2, so that the first antenna 100 on the plane is converted into a three-dimensional structure, the radiation is more abundant and effective, and the performance of the antenna is guaranteed and improved.

[0088] In order to avoid the antenna warping affecting the installation of the support and the performance of the antenna, a stress hole 400 is arranged at the bending part of the first antenna, which can effectively prevent the warping of the FPC structure of the first antenna 100.

[0089] As preferred in the embodiment, the first support 2 is provided with a first branch seat 21 corresponding to the first substrate first branch 102, the first substrate first branch 102 is attached to the first branch seat 21, the first feeding point 1112 is aligned with the first feeding position provided on the main board 1, and the first coupling branch feeding point 121 is aligned with the first coupling branch feeding position provided on the main board 1.

[0090] The first support 2 is provided with a second branch seat 22 corresponding to the first substrate second branch 103, the first substrate second branch 103 is attached to the second branch seat 22, and the second coupling branch feeding point 131 is aligned with the second coupling branch feeding position provided on the main board 1.

[0091] In implementation, in order to align the first feeding point 1112, the first coupling branch feeding point 121 and the second coupling branch feeding point 131 of the first antenna 100 with the corresponding feeding positions on the main board 1, the first support 2 is provided with a first branch seat 21 corresponding to the first substrate first branch 102 and a second branch seat 22 corresponding to the first substrate second branch 103.

[0092] The first substrate first branch 102 is attached to the first branch seat 21, and the first substrate second branch 103 is attached to the second branch seat 22. When the first antenna support 2 is installed in place, the first feeding point 1112 can be aligned with the first feeding position of the main board 1 and electrically connected with the first feeding elastic conductive part 11 of the first feeding position of the main board 1; the first coupling branch feeding point 121 can be aligned with the first coupling branch feeding position of the main board 1 and electrically connected with the first coupling branch feeding elastic conductive part 12 of the second coupling branch feeding position of the main board 1; and the second coupling branch feeding point 131 can be aligned with the second coupling branch feeding position of the main board 1 and electrically connected with the second coupling branch feeding elastic conductive part 13 of the second coupling branch feeding position of the main board 1.

[0093] In order to facilitate the installation and positioning of the antenna, the antenna positioning holes 401 are arranged near the first feeding point 1112, the first coupling branch feeding point 121 and the second coupling branch feeding point 131, and the antenna positioning protrusions are arranged on the first branch seat 21 and the second branch seat 22 respectively to realize the accurate fixing of the first antenna 100.

[0094] As preferred in the embodiment, the second antenna 200 includes a second substrate 201 and a second main radiator and a third coupling branch 220 arranged on the second substrate 201. The second substrate 201 includes a second substrate branch 202 arranged on the lower side of the second substrate 201, and the third coupling branch 220 is arranged on the second substrate branch 202, and the lower end of the third coupling branch 220 is provided with a third coupling branch feeding point 221. The second main radiator includes a second feeding part 2111 extending to the second substrate branch, and the lower end of the second feeding part 2111 is provided with a second feeding point 2112. The third coupling branch 220 and the second feeding part 2111 are parallel to each other.

[0095] In specific implementation, the second antenna 200 is an FPC structure antenna, so that the second antenna 200 can be bent and attached to the antenna support to reduce the area occupied by the second antenna 200 in the plane. The second antenna 200 specifically includes a second substrate 201 and a second main radiator and a third coupling branch 220 arranged on the second substrate 201. The second substrate 201 includes a second substrate branch 202 arranged on the lower side of the second substrate 201. The distance between the second substrate branch 202 and the left end of the second substrate 201 is 8.55 mm, and the distance between the first substrate second branch 202 and the right end of the first substrate 201 is 35.15 mm.

[0096] The third coupling branch 220 is arranged at the right side of the second substrate branch 202, and a lower end of the third coupling branch 220 is provided with a third coupling branch feed point 221, which is used for connecting with the third coupling branch feed elastic conductive member 14 arranged on the main board 1. The distance from the third coupling branch to the second main radiator is 0.6 mm, the length of the third coupling branch is 13.53 mm, and the width is 2.18 mm.

[0097] The second main radiator comprises a second feed part 2111 extending to the second substrate branch 202, and a lower end of the second feed part 2111 is provided with a second feed point 2112, which is used for connecting with the second feed elastic conductive member 15 arranged on the main board 1. The third coupling branch 220 is parallel to the second feed part 2111. The length of the second feed part 2111 is 14.13 mm, and the width is 1.84 mm.

[0098] Through the second feed point 2112 and the third coupling branch feed point 221, the radio frequency electrical connection between the second antenna 200 and the main board 1 can be realized.

[0099] As preferred in the embodiment, the second main radiator comprises a second main radiation part 211, a second antenna first left radiation part 212, a second antenna second left radiation part 213, a second antenna first right radiation part 214, a second antenna second right radiation part 215, a second antenna third right radiation part 216, a second antenna fourth right radiation part 217, and a second antenna fifth right radiation part 218.

[0100] The left end of the second main radiation part 211 is sequentially connected with the second antenna first left radiation part 212 and the second antenna second left radiation part 213.

[0101] The right lower end of the second main radiation part 211 is sequentially connected with the second antenna first right radiation part 214, the second antenna second right radiation part 215, and the second antenna third right radiation part 216.

[0102] The right upper end of the second main radiation part 211 is sequentially connected with the second antenna fourth right radiation part 217 and the second antenna fifth right radiation part 218.

[0103] A first hollow part 2113 is arranged in the middle of the second main radiation part 211, and a second hollow part 2151 is arranged in the middle of the second antenna second right radiation part 215.

[0104] In implementation, in order to enable the second antenna 200 to work in the frequency bands of 700-800 MHz, 1800-2690 MHz and 3300-5000 MHz, the second main radiation body includes a second main radiation part 211, a second antenna first left radiation part 212, a second antenna second left radiation part 213, a second antenna first right radiation part 214, a second antenna second right radiation part 215, a second antenna third right radiation part 216, a second antenna fourth right radiation part 217 and a second antenna fifth right radiation part 218.

[0105] Specifically, the left lower end of the second main radiation part 211 is connected with the right end of the second antenna first left radiation part 212, the left end of the second antenna first left radiation part 212 is connected with the lower end of the second antenna second left radiation part 213, and the second antenna first left radiation part 212 and the second antenna second left radiation part 213 integrally form an "L" shape. The length of the second main radiation part 211 along the length direction of the second substrate is 9 mm, and the width is 7.95 mm; the length of the second antenna first left radiation part 212 along the length direction of the second substrate is 3.2 mm, and the width is 1.7 mm; the length of the second antenna second left radiation part 213 along the length direction of the second substrate is 1.8 mm, and the width is 4.4 mm.

[0106] The right lower end of the second main radiation part 211 is connected with the left end of the second antenna first right radiation part 214, the right end of the second antenna first right radiation part 214 is connected with the left lower end of the second antenna second right radiation part 215, and the right end of the second antenna second right radiation part 215 is connected with the left end of the second antenna third right radiation part 216. The length of the second antenna first right radiation part 214 along the length direction of the second substrate is 3.65 mm, and the width is 1.7 mm; the length of the second antenna second right radiation part 215 along the length direction of the second substrate is 12.45 mm, and the width is 6.72 mm; the length of the second antenna third right radiation part 216 along the length direction of the second substrate is 20.81 mm, and the width is 7.95 mm.

[0107] The right upper end of the second main radiation part 211 is connected with the left end of the second antenna fourth right radiation part 217, and the right lower end of the second antenna fourth right radiation part 217 is connected with the upper end of the second antenna fifth right radiation part 218. The length of the second antenna fourth right radiation part 217 along the length direction of the second substrate is 1.87 mm, and the width is 3.65 mm; the length of the second antenna fifth right radiation part 218 along the length direction of the second substrate is 1.26 mm, and the width is 1.65 mm.

[0108] The middle of the second main radiation part 211 is provided with a first hollow part 2113, and the middle of the second antenna second right radiation part 215 is provided with a second hollow part 2151. The length of the first hollow part 2113 along the length direction of the second substrate 201 is 5.65mm, the width is 2.6mm, the distance from the first hollow part 2113 to the left end of the second main radiation part 211 is 2.65mm, and the distance from the first hollow part 2113 to the lower end of the second main radiation part 211 is 1.7mm; the length of the second hollow part 2151 along the length direction of the second substrate 201 is 9.15mm, the width is 2.7mm, the distance from the second hollow part 2151 to the left end of the second antenna second right radiation part 215 is 1.2mm, and the distance from the second hollow part 2151 to the lower end of the second antenna second right radiation part 215 is 1.7mm.

[0109] Therefore, the second antenna 200 can achieve the designed radio frequency performance indicators in the working frequency bands of 700MHz-800MHz, 1800MHz-2690MHz and 3300MHz-5000MHz.

[0110] Please refer to Table 2, which is the Gain&Effeciency indicators of the second antenna.

[0111]

[0112]

[0113] Table 2

[0114] As preferred in this embodiment, when the second antenna 200 is installed on the second support 3, the second antenna second right radiation part 215 is attached to the right side of the second support 3, and the second antenna third right radiation part 216 is attached to the bottom surface of the second support 3.

[0115] In specific implementation, in order to reduce the area occupied by the second antenna 200 on the plane, the second antenna 200 needs to be installed on the second support 3. When the second antenna 200 is installed on the second support 3, the second antenna 200 is arranged on the right side of the second support 3, and the second main radiation part 211, the second antenna first left radiation part 212, the second antenna second left radiation part 213, the left side of the second antenna first right radiation part 214, the second antenna fourth right radiation part 217 and the second antenna fifth right radiation part 218 are all attached to the front surface of the second support 3; the second antenna second right radiation part 215 is attached to the right side of the second support 3; and the second antenna third right radiation part 216 is attached to the bottom surface of the second support 3. Thus, the planar second antenna 200 is converted into a three-dimensional structure, so that the radiation is more abundant and effective, and the antenna performance is guaranteed and improved.

[0116] In order to avoid the antenna warping affecting the installation of the support and the antenna performance, a stress hole 400 is arranged at the bending position of the second antenna 200, which can effectively prevent the warping of the FPC structure of the second antenna 200.

[0117] As preferred in the embodiment, the second support 3 is provided with a third branch seat 31 corresponding to the second substrate branch 202, the second substrate branch 202 is attached to the third branch seat 31, and the second feeding point 2112 is aligned with the second feeding position arranged on the main board 1, and the third coupling branch feeding point 221 is aligned with the third coupling branch feeding position arranged on the main board 1.

[0118] In the implementation, in order to align the second feeding point 2112 and the third coupling branch feeding point 221 of the second antenna 200 with the corresponding feeding positions on the main board 1, the second support 3 is provided with a third branch seat 31 corresponding to the second substrate branch 202.

[0119] The second substrate branch 202 is attached to the third branch seat 31, when the second support 3 is installed in place, the second feeding point 2112 can be aligned with the second feeding position arranged on the main board 1, and the second feeding point 2112 is electrically connected with the second feeding elastic conductive part 15 arranged on the second feeding position of the main board 1; the third coupling branch feeding point 221 can be aligned with the third coupling branch feeding position arranged on the main board 1, and the third coupling branch feeding point 221 is electrically connected with the third coupling branch feeding elastic conductive part 14 arranged on the second feeding position of the main board 1.

[0120] In order to facilitate the installation and positioning of the antenna, antenna positioning holes 401 are arranged near the second feeding point 2112 and the third coupling branch feeding point 221, and the third branch seat 31 is correspondingly provided with antenna positioning protrusions to realize the accurate fixing of the second antenna 200.

[0121] As preferred in the embodiment, the third antenna 300 includes a third substrate 301 and a third main radiator arranged on the third substrate, the third substrate 301 includes a third substrate branch 302 arranged on the lower side of the third substrate 301, the third main radiator includes a third feeding part 312 extending to the third substrate branch, the lower end of the third feeding part 312 is provided with a third feeding point 3121 and a fourth feeding point 3122, an air gap 3123 is arranged between the third feeding point 3121 and the fourth feeding point 3122, and the third feeding part 312 is provided with a third hollow part 3124.

[0122] The third main radiator includes a third main radiation part 311, a WiFi left radiation part 313, and a WiFi right radiation part 314, the left side of the third main radiation part 311 is connected with the WiFi left radiation part 313, and the right side of the third main radiation part 311 is connected with the WiFi right radiation part 314.

[0123] When the third antenna 300 is mounted to the front of the second support 3, the WiFi left radiation part 313 is attached to the left side of the second support 3, the second support 3 is provided with a WiFi branch seat 32 corresponding to the third substrate branch 302, the third substrate branch 302 is attached to the WiFi branch seat 32 and aligns the third feeding point 3121 and the fourth feeding point 3122 with the third feeding position and the fourth feeding position provided on the main board 1 respectively.

[0124] In a specific implementation, the third antenna 300 is an FPC structure antenna, so that the third antenna 300 can be bent and attached to the antenna support to reduce the area occupied by the third antenna 300 in the plane. The third antenna 300 includes a third substrate 301 and a third main radiator provided on the third substrate 301. The third substrate 301 includes a third substrate branch 302 provided on the lower side of the third substrate 301. The third main radiator includes a third feeding part 312 extending to the third substrate branch 302. The lower end of the third feeding part 312 is provided with a third feeding point 3121 and a fourth feeding point 3122. The third feeding point 3121 is located on the left side of the fourth feeding point 3122. The third feeding point 3121 is used to connect with the third feeding elastic conductive part 16 provided on the main board 1. The fourth feeding point 3122 is used to connect with the fourth feeding elastic conductive part 17 provided on the main board 1. The length of the third feeding part 312 along the length direction of the third substrate branch 302 is 13.64 mm, and the width is 4.83 mm.

[0125] An air gap 3123 is provided between the third feeding point 3121 and the fourth feeding point 3122. The length of the air gap 3123 along the length direction of the third substrate branch 302 is 4.41 mm, and the width is at least 0.67 mm.

[0126] Through the third feeding point 3121 and the fourth feeding point 3122, the third antenna 300 can be electrically connected with the main board 1 in radio frequency.

[0127] In order to enable the third antenna 300 to work in the frequency bands of 2400 MHz-2500 MHz and 5150 MHz-5850 MHz, the third main radiator includes a third main radiation part 311, a WiFi left radiation part 313, and a WiFi right radiation part 314. The left end of the third main radiation part 311 is connected with the WiFi left radiation part 313. The right end of the third main radiation part 311 is connected with the WiFi right radiation part 314.

[0128] Specifically, the left end of the third main radiation part 311 is connected with the right end of the WiFi left radiation part 313, the right end of the third main radiation part 311 is connected with the left end of the WiFi right radiation part 314, and the third feeding part 312 is connected with the lower right end of the third main radiation part 311. The length of the third main radiation part 311 along the length direction of the third substrate 301 is 7.44mm, and the width is 2.85mm; the WiFi left radiation part 313 has an "L" shape structure, and the WiFi left radiation part 313 includes a WiFi left radiation part short side 3131 and a WiFi left radiation part long side 3132. The left end of the third main radiation part 311 is connected with the right end of the WiFi left radiation part short side 3131, the upper left end of the WiFi left radiation part short side 3131 is connected with the lower end of the WiFi left radiation part long side 3132, the length of the WiFi left radiation part short side 3131 along the length direction of the third substrate 301 is 4.1mm, and the width is 2.85mm; the length of the WiFi left radiation part long side 3132 along the length direction of the third substrate 301 is 3mm, and the width is 2.35mm; the lower end of the WiFi left radiation part short side 3131 is connected with a WiFi left radiation part branch 3133, the length of the WiFi left radiation part branch 3133 along the length direction of the third substrate 301 is 4.1mm, and the width is 0.37mm; the length of the WiFi right radiation part 314 along the length direction of the third substrate 301 is 0.9mm, and the width is 2.85mm.

[0129] The third feeding part 312 is provided with a third hollow part 3124, the length of the third hollow part 3124 along the length direction of the third substrate branch 302 is 2.81mm, and the width is 0.67mm. The distance from the third hollow part 3124 to the left end of the third feeding part 312 is 2.23mm, the distance from the third hollow part 3124 to the right end of the third feeding part 312 is 1.92mm, and the distance from the third hollow part 3124 to the air gap 3123 is 0.8mm.

[0130] Therefore, the third antenna can achieve the designed radio frequency performance index in the working frequency band of 2400MHz-2500MHz and 5150MHz-5850MHz.

[0131] Please refer to Table 3, which is the Gain & Effeciency index of the third antenna.

[0132]

[0133] Table 3

[0134] In order to reduce the third antenna 300 in the plane on the area, need to install the third antenna 300 to the second support 3 using.The third antenna 300 is installed to the second support 3, the third antenna 300 is arranged to the left side of the second support 3, and the right side of the third main radiation part 311, the left radiation part 313 of WiFi and the right radiation part 314 of WiFi are all attached to the front of the second support 3, the left side of the left radiation part 313 of WiFi is attached to the left side of the second support 3, so that the third antenna 300 in the plane is converted into a three-dimensional structure, so that the radiation is more abundant and effective, and then the antenna performance is guaranteed and improved.

[0135] In order to enable the third feed point 3121 and the fourth feed point 3122 of the third antenna 300 to be aligned with the corresponding feed positions on the mainboard 1, the second support 3 is provided with a WiFi branch seat 32 corresponding to the third substrate branch 312, and the third substrate branch 312 is attached to the WiFi branch seat 32, so that when the second support 3 is installed in place, the third feed point 3121 can be aligned with the third feed position provided on the mainboard 1 and electrically connected with the third feed elastic conductive part 16 provided in the third feed position on the mainboard 1, and the fourth feed point 3122 can be aligned with the fourth feed position provided on the mainboard 1 and electrically connected with the fourth feed elastic conductive part 17 provided in the fourth feed position on the mainboard 1.

[0136] In order to facilitate the installation and positioning of the antenna, an antenna positioning hole 401 is provided near the third feed point 3121 and the fourth feed point 3122, and an antenna positioning protrusion is provided correspondingly on the WiFi branch seat 32 to realize accurate fixing of the third antenna 300.

[0137] From the above description, the beneficial effects of the present application are that a compact structure is provided, which can fully utilize the space of the antenna support, realize 5G RedCap UFI antenna assembly with coexistence of 5G NR and WiFi antennas in a limited space environment, and provide excellent radio frequency performance indicators while ensuring compact structure, reduce interference between multiple antennas and ensure user experience.

[0138] It is easy for those skilled in the art to understand that the above-mentioned embodiments can be freely combined and superimposed without conflict.

[0139] The above description is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A 5G RedCap UFI antenna assembly, characterized by: The application relates to a mobile phone antenna, which comprises a main plate, a first support and a second support, the first support and the second support are respectively arranged at two opposite ends of the main plate, the first support is provided with a first antenna, the second support is provided with a second antenna and a third antenna, the second antenna is arranged at one end of the second support, the third antenna is arranged at the other end of the second support, the first antenna is a double-coupling single-unit monopole antenna, the second antenna is a single-coupling single-unit monopole antenna, and the third antenna is a PIFA wifi antenna.

2. The antenna assembly of claim 1, wherein: The first antenna comprises a first substrate, a first main radiator, a first coupling branch and a second coupling branch arranged on the first substrate, the first substrate comprises a first substrate first branch and a first substrate second branch, the first substrate first branch and the first substrate second branch are arranged on the upper side of the first substrate, the first substrate first branch is arranged on the left side of the first substrate second branch, the first coupling branch is arranged on the first substrate first branch, the upper end of the first coupling branch is provided with a first coupling branch feeding point, the second coupling branch is arranged on the first substrate second branch, the upper end of the second coupling branch is provided with a second coupling branch feeding point, the first main radiator comprises a first feeding part extending towards the first substrate first branch, the upper end of the first feeding part is provided with a first feeding point, and the first coupling branch and the first feeding part are parallel to each other.

3. The antenna assembly of claim 2, wherein: The first main radiator comprises a first main radiation part, a first antenna first left radiation part, a first antenna second left radiation part, a first antenna third left radiation part, a first antenna first right radiation part, a first antenna second right radiation part and a first antenna third right radiation part. The left end of the first main radiation part is sequentially connected with the first antenna first left radiation part, the first antenna second left radiation part and the first antenna third left radiation part, and an "L" shaped gap is formed between the first main radiation part, the first antenna first left radiation part, the first antenna second left radiation part and the first antenna third left radiation part. The right end of the first main radiation part is sequentially connected with the first antenna first right radiation part, the first antenna second right radiation part and the first antenna third right radiation part, the first antenna first right radiation part, the first antenna second right radiation part and the first antenna third right radiation part enclose a concave region, the concave region is provided with a first antenna fourth right radiation part, and the left end of the first antenna fourth right radiation part is connected with the right end of the first main radiation part.

4. The antenna assembly of claim 3, wherein: When the first antenna is installed to the first support, the left side of the first antenna first left radiation part, the left side of the first antenna third left radiation part and the first antenna second left radiation part are attached to the left side surface of the first support, and the right side of the first antenna second right radiation part is attached to the right side surface of the first support.

5. The antenna assembly of claim 4, wherein: The first support is provided with a first branch seat corresponding to the first substrate first branch, the first substrate first branch is attached to the first branch seat, the first feeding point is aligned with a first feeding position arranged on the main plate, and the first coupling branch feeding point is aligned with a first coupling branch feeding position arranged on the main plate. The first support is provided with a second branch seat corresponding to the second branch of the first substrate, the second branch of the first substrate is attached to the second branch seat, and the second coupling branch feed point is aligned with the second coupling branch feed position provided on the main plate.

6. The antenna assembly of claim 1, wherein: The second antenna comprises a second substrate and a second main radiator and a third coupling branch provided on the second substrate, the second substrate comprises a second substrate branch provided on the lower side of the second substrate, and the third coupling branch is provided on the second substrate branch, and a third coupling branch feed point is provided at the lower end of the third coupling branch; the second main radiator comprises a second feed part extending towards the second substrate branch, and a second feed point is provided at the lower end of the second feed part, and the third coupling branch and the second feed part are parallel to each other.

7. The antenna assembly of claim 6, wherein: The second main radiator comprises a second main radiation part, a second antenna first left radiation part, a second antenna second left radiation part, a second antenna first right radiation part, a second antenna second right radiation part, a second antenna third right radiation part, a second antenna fourth right radiation part and a second antenna fifth right radiation part. The left end of the second main radiation part is sequentially connected with the second antenna first left radiation part and the second antenna second left radiation part. The right lower end of the second main radiation part is sequentially connected with the second antenna first right radiation part, the second antenna second right radiation part and the second antenna third right radiation part. The right upper end of the second main radiation part is sequentially connected with the second antenna fourth right radiation part and the second antenna fifth right radiation part. A first hollow part is arranged in the middle of the second main radiation part, and a second hollow part is arranged in the middle of the second antenna second right radiation part.

8. The antenna assembly of claim 7, wherein: When the second antenna is installed to the second support, the second antenna second right radiation part is attached to the right side surface of the second support, and the second antenna third right radiation part is attached to the bottom surface of the second support.

9. The antenna assembly of claim 8, wherein: The second support is provided with a third branch seat corresponding to the second substrate branch, the second substrate branch is attached to the third branch seat, the second feed point is aligned with the second feed position provided on the main plate, and the third coupling branch feed point is aligned with the third coupling branch feed position provided on the main plate.

10. The antenna assembly of claim 1, wherein: The third antenna comprises a third substrate and a third main radiator provided on the third substrate, the third substrate comprises a third substrate branch provided on the lower side of the third substrate, and the third main radiator comprises a third feed part extending towards the third substrate branch, a third feed point and a fourth feed point are provided at the lower end of the third feed part, an air gap is arranged between the third feed point and the fourth feed point, and the third feed part is provided with a third hollow part. The third main radiator comprises a third main radiation part, a WiFi left radiation part and a WiFi right radiation part, the left end of the third main radiation part is connected with the WiFi left radiation part, and the right end of the third main radiation part is connected with the WiFi right radiation part. When the third antenna is installed to the second support, the WiFi left radiation part is attached to the left side of the second support, the second support is provided with a WiFi branch seat corresponding to the third substrate branch, the third substrate branch is attached to the WiFi branch seat, the third feeding point is aligned with the third feeding position provided on the mainboard, and the fourth feeding point is aligned with the fourth feeding position provided on the mainboard.

Images