5G high-gain directional antenna assembly

Abstract

The utility model provides a 5G high gain directional antenna assembly, which comprises a reflecting plate, a power divider and two 5G frequency band antenna array elements, the power divider is arranged on the reflecting plate through a fixing frame, and the two 5G frequency band antenna array elements are respectively arranged on two sides of the power divider through two array element supports. And the two 5G frequency band antenna array elements are respectively connected with two input ends of the power divider through coaxial cables. The antenna assembly is compact in structure, has excellent radio frequency performance, uses fewer materials, reduces the assembly difficulty, improves the assembly efficiency, improves the productivity, and effectively reduces the labor and material cost.

Description

Technical Field

[0001] The utility model relates to the field of antenna technology, in particular to a 5G high-gain directional antenna assembly. Background Art

[0002] 5G CPE (Customer Premise Equipment) is a mobile, flexible, high-speed 5G terminal device that receives 5G signals from carrier base stations and converts them into Wi-Fi or wired signals, enabling smart living and industrial connectivity. With the expansion and rise of the 5G network market, CPE products have become increasingly popular. This has led to a surge in demand for antenna signals, such as wideband, high gain, and low cost. This has led to the emergence of various directional antenna structures, such as reflective aluminum plate + antenna array + power splitter + coaxial cable + metal bracket + rivets, and reflective aluminum plate + antenna array + power splitter + coaxial cable + plastic bracket + screws. However, these directional antenna structures are complex, require cumbersome processing procedures, high labor costs, long lead times, and high overall costs, necessitating improvements to existing technologies. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a low-cost 5G high-gain directional antenna component with a reasonable structure and easy processing and manufacturing.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a 5G high-gain directional antenna component,

[0005] It includes a reflector, a power divider and two 5G frequency band antenna array elements. The power divider is set on the reflector through a fixing frame. The two 5G frequency band antenna array elements are respectively set on both sides of the power divider through two array element brackets. The two 5G frequency band antenna array elements are respectively connected to the two input ends of the power divider through coaxial cables.

[0006] Furthermore, the 5G frequency band antenna array element includes a square dielectric plate and a first array pair, a second array pair, a first branch, and a second branch arranged on the dielectric plate. The first array pair and the second array pair are arranged on a side of the dielectric plate facing the reflector, and the first branch and the second branch are arranged on a side of the dielectric plate away from the reflector. The first array pair is connected to the first branch through a first copper-plated via, and the second array pair is connected to the second branch through a second copper-plated via. The first array pair and the second array pair are physically at +45° and -45°, respectively, to achieve cross-polarization.

[0007] Each array element bracket includes a first bracket and a second bracket, the first bracket is set corresponding to the first array pair, and the second bracket is set corresponding to the second array pair. The distance between the first bracket and the second bracket is at least 1.5mm, and the width of the first bracket and the second bracket is 3.5-4mm.

[0008] Furthermore, the first array pair includes a first array arm and a second array arm, the first array arm and the second array arm are diagonally arranged along a diagonal line of the dielectric plate, and the first array arm and the second array arm are provided with cut corners on both sides of the diagonal line of the dielectric plate; the second array pair includes a third array arm and a fourth array arm, the third array arm and the fourth array arm are diagonally arranged along another diagonal line of the dielectric plate, and the third array arm and the fourth array arm are provided with cut corners on both sides of the other diagonal line of the dielectric plate.

[0009] Furthermore, a first-branch first radiator and a first-branch second radiator are respectively provided on both sides of the first branch, and the angle between the first-branch first radiator and the first-branch second radiator and the first branch is 45°; a second-branch first radiator and a second-branch second radiator are respectively provided on both sides of the second branch, and the angle between the second-branch first radiator and the second branch is 45°.

[0010] Furthermore, the first array arm and the third array arm are both provided with a first hollow portion, and the first hollow portion is provided with a first hollow portion cut corner on both sides of one end close to the center of the dielectric plate; the second array arm and the fourth array arm are both provided with a second hollow portion, and the second hollow portion is provided with a second hollow portion cut corner on both sides of one end close to the center of the dielectric plate.

[0011] Furthermore, the first hollow portion is provided with a first air gap on both sides of one end away from the center of the dielectric plate, and the first air gap extends in a direction away from the center of the dielectric plate; the second hollow portion is provided with a second air gap on both sides of one end away from the center of the dielectric plate, and the second air gap extends in a direction away from the center of the dielectric plate.

[0012] Furthermore, the dielectric plate has a side length of 28 mm, and the four corners of the dielectric plate are all rounded.

[0013] Furthermore, the distance between the reflector and the 5G frequency band antenna array element is 15.5-16.5 mm.

[0014] Furthermore, the length of the reflective plate is 142 mm, and the width of the reflective plate is 76.19 mm.

[0015] Furthermore, the power divider is a first-order Wilkinson power divider, and the power divider is arranged on a power divider dielectric plate. The length of the power divider dielectric plate is 33.26 mm, and the width of the power divider dielectric plate is 20 mm.

[0016] The beneficial effects of the present invention are: a 5G high-gain directional antenna assembly is proposed, including a reflector, a power divider and two 5G frequency band antenna array elements, the two 5G frequency band antenna array elements are arranged on the reflector through an array element bracket, the power divider is arranged between the two 5G frequency band antenna array elements through a fixing frame, and the two 5G frequency band antenna array elements are respectively connected to the two input ends of the power divider through coaxial cables. While ensuring a compact structure, the antenna assembly also has excellent radio frequency performance, uses less materials, reduces assembly difficulty, improves assembly efficiency, improves production capacity, and effectively reduces labor and material costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The specific structure of the utility model is described in detail below with reference to the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of the 5G high-gain directional antenna assembly of the utility model;

[0019] Figure 2 This is a schematic diagram of the upper surface structure of the 5G frequency band antenna array element of the present utility model;

[0020] Figure 3 This is a schematic diagram of the lower surface structure of the 5G frequency band antenna array element of the present utility model;

[0021] Figure 4 for Figure 2 A perspective diagram of the structure of the antenna array element in the 5G frequency band;

[0022] Figure 5 This is a schematic structural diagram of the power divider of the present utility model;

[0023] Figure 6 This is a VSWR index test diagram of a first pair of the first output port of the power divider of the present invention;

[0024] Figure 7 This is a VSWR index test diagram of a second pair of the second output port of the power divider of the present invention;

[0025] Figure 8 This is a VSWR index test diagram of another first pair of the first output port of the power divider of the present invention;

[0026] Figure 9 This is a VSWR index test diagram of another second pair of the second output port of the power divider of the present invention;

[0027] Figure 10 This is a test diagram of the radiation efficiency index of the first output port of the power divider of the present invention;

[0028] Figure 11 This is a peak gain index test diagram of the first output port of the power divider of the present utility model;

[0029] Figure 12 This is a test diagram of the radiation efficiency index of the second output port of the power divider of the present invention;

[0030] Figure 13 This is a peak gain index test diagram of the second output port of the power divider of the present invention;

[0031] Figure 14 This is a test diagram of the isolation index of the first and second array pairs of the same 5G frequency band antenna array element of the present invention;

[0032] Figure 15 This is a test diagram of the isolation index of the first pair of two 5G frequency band antenna array elements of the utility model;

[0033] Figure 16 This is a test diagram of the isolation index of a first pair of antenna array elements of a 5G frequency band and a second pair of antenna array elements of another 5G frequency band according to the present invention;

[0034] Figure 17 This is a test diagram of the isolation index of the first output port and the second output port of the power divider of the present invention;

[0035] Figure 18 This is a test diagram of the H-plane Beamwidth index of the first output port of the power divider of the present invention;

[0036] Figure 19 This is the E-plane Beamwidth index test diagram of the first output port of the power divider of the utility model

[0037] Figure 20 This is a test diagram of the H-plane Beamwidth index of the second output port of the power divider of the present invention;

[0038] Figure 21 This is a test diagram of the E-plane Beamwidth index of the second output port of the power splitter of the present invention;

[0039] Figure 22 This is a front-to-back ratio index test diagram of the first output port of the power divider of the present invention;

[0040] Figure 23 This is a front-to-back ratio index test diagram of the second output port of the power divider of the present invention;

[0041] 1-reflector; 11-array element bracket; 111-first bracket; 112-second bracket; 12-fixing bracket;

[0042] 2-power divider; 21-first input end; 211-first output end; 22-second input end; 221-second output end;

[0043] 3-5G frequency band antenna array elements;

[0044] 311-first array arm; 3113-first copper sinking hole; 312-second array arm;

[0045] 321-the third arm; 3213-the second copper sinking hole; 322-the fourth arm;

[0046] 33-first branch; 331-first branch first radiator; 332-first branch second radiator;

[0047] 34-second branch; 341-second branch first radiator; 342-second branch second radiator; 343-branch copper sinking through hole;

[0048] 35-Bridging Department;

[0049] 36-first hollow portion; 361-first air gap;

[0050] 37-second hollow portion; 371-second air gap;

[0051] 381 - through hole of the first array element bracket; 382 - through hole of the second array element bracket. DETAILED DESCRIPTION

[0052] 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.

[0053] It should be noted that the descriptions of "first" and "second" in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0054] Example

[0055] See also Figures 1 to 23 This embodiment provides a 5G high-gain directional antenna assembly, including a reflector 1, a power divider 2, and two 5G frequency band antenna array elements 3. The power divider 2 is set on the reflector 1 through a fixing frame 12. The two 5G frequency band antenna array elements 3 are respectively set on both sides of the power divider 2 through two array element brackets 11. The two 5G frequency band antenna array elements 3 are respectively connected to the two input ends of the power divider 2 through coaxial cables.

[0056] In this embodiment, the operating frequency band of the antenna assembly is 3300MHz-4200MHz. The reflector 1, the array element bracket 11 and the fixing frame 12 are integrated metal plates. The reflector 1 is 142mm long and 76.19mm wide. An array element bracket hollow portion and a fixing frame hollow portion are processed at a preset position of the reflector 1, wherein an array element bracket hollow portion is provided with an array element bracket tongue connected to the reflector, and a fixing frame hollow portion is provided with a fixing frame tongue connected to the reflector. The array element bracket tongue and the fixing frame tongue are bent 90 degrees toward the same side of the reflector to obtain a reflector 1 with an array element bracket 11 and a fixing frame 12. The 5G frequency band antenna array element 3 is installed on the array element bracket 11, and the 5G frequency band antenna array element 3 is fixed to the array element bracket 11 by welding; the power divider 2 is installed on the fixing frame 12 so that the back side of the power divider 2 is in contact with the reflector 1, and the power divider 2 is fixed to the fixing frame 12 by welding, and then the two 5G frequency band antenna array elements 3 are respectively connected to the two pairs of input ends of the power divider 2 through coaxial cables. Finally, the output coaxial cables are welded at the two output ends of the power divider 2, and the assembly of the 5G high-gain directional antenna assembly is completed, which is very convenient.

[0057] Furthermore, the 5G frequency band antenna array element includes a square dielectric plate and a first array pair, a second array pair, a first branch 33, and a second branch 34 arranged on the dielectric plate. The first array pair and the second array pair are arranged on a side of the dielectric plate facing the reflector 1, and the first branch 33 and the second branch 34 are arranged on a side of the dielectric plate away from the reflector 1. The first array pair is connected to the first branch 33 through a first copper-plated hole 3113, and the second array pair is connected to the second branch 34 through a second copper-plated hole 3213. The first array pair and the second array pair are physically +45° and -45°, respectively, to achieve cross-polarization.

[0058] Each array element bracket 11 includes a first bracket 111 and a second bracket 112. The first bracket 111 is arranged corresponding to the first array pair, and the second bracket 112 is arranged corresponding to the second array pair. The distance between the first bracket 111 and the second bracket 112 is at least 1.5 mm, and the width of the first bracket 111 and the second bracket 112 is both 3.5-4 mm.

[0059] In this embodiment, the dielectric plate of the 5G frequency band antenna array element is a square dielectric plate with a side length of 28 mm. The four corners of the dielectric plate are all rounded. The side of the dielectric plate away from the reflector 1 is defined as the upper surface, and the side of the dielectric plate close to the reflector 1 is defined as the lower surface. Copper is provided on both the upper and lower surfaces of the dielectric plate. The copper on the lower surface forms the first array pair and the second array pair, and the copper on the upper surface forms the first branch 33 and the second branch 34. The first branch 33 and the second branch 34 are arranged crosswise, and a disconnection portion is provided in the middle of the second branch 34. The disconnection portion of the second branch 34 is connected to the bridge portion 35 provided on the lower surface through a branch copper through-hole 343. The distance between the bridge portion 35 and the first array pair or the second array pair is not less than 1 mm.

[0060] The first array pair is connected to the first branch 33 through the first copper plated hole 3113, and the second array pair is connected to the second branch 34 through the second copper plated hole 3213. The first array pair and the second array pair are physically +45° and -45° respectively to achieve cross-polarization of the antenna.

[0061] In order to avoid interference between the first array pair and the second array pair through the array element bracket 11, each array element bracket 11 includes a first bracket 111 and a second bracket 112. The first bracket 111 is set corresponding to the first array pair, and the second bracket 112 is set corresponding to the second array pair. The distance between the first bracket 111 and the second bracket 112 is at least 1.5 mm.

[0062] The width of the first bracket 111 and the second bracket 112 are both 3.5-4 mm. Preferably, the width of the first bracket 111 and the second bracket 112 is 3.75 mm, and the radio frequency performance index of the 5G high-gain directional antenna assembly is optimized.

[0063] Furthermore, the first array pair includes a first array arm 311 and a second array arm 312, and the first array arm 311 and the second array arm 312 are diagonally arranged along a diagonal line of the dielectric plate, and the first array arm 311 and the second array arm 312 are provided with cut corners on both sides of the diagonal line of the dielectric plate; the second array pair includes a third array arm 321 and a fourth array arm 322, and the third array arm 321 and the fourth array arm 322 are diagonally arranged along another diagonal line of the dielectric plate, and the third array arm 321 and the fourth array arm 322 are provided with cut corners on both sides of the other diagonal line of the dielectric plate.

[0064] In this embodiment, the first array pair consists of a first array arm 311 and a second array arm 312. The first array arm 311 and the second array arm 312 are arranged along the +45° diagonal of the dielectric plate, diagonally opposite the center of the dielectric plate. A first countersunk copper hole 3113 is provided in the first array arm 311 near the center of the dielectric plate. A first array element support through-hole 381 is provided on the side of the first countersunk copper hole 3113 away from the fourth array arm 322. A first protrusion is correspondingly provided at the top of the first support 111 of the array element support. The first protrusion passes through the first array element support through-hole 381 and is welded to the first array arm 311. The first array arm 311 and the second array arm 312 are both provided with cutaway angles on both sides of the +45° diagonal of the dielectric plate, thereby enabling the first array pair to meet the RF performance requirements of the antenna assembly in the operating frequency band.

[0065] The second array pair consists of a third array arm 321 and a fourth array arm 322. The third and fourth array arms 321 and 322 are arranged along the -45° diagonal of the dielectric plate, diagonally opposite the center of the dielectric plate. A second countersunk copper hole 3213 is provided in the third array arm 321 near the center of the dielectric plate. A second array element support through hole 382 is provided on the side of the second countersunk copper hole 3213 away from the second array arm 312. A second protrusion is correspondingly provided at the top of the second support 112 of the array element support. The second protrusion passes through the second array element support through hole 382 and is welded to the third array arm 321. The third and second array arms 321 and 322 are both provided with cut corners on both sides of the -45° diagonal of the dielectric plate, thereby enabling the second array pair to meet the RF performance of the antenna assembly in the operating frequency band.

[0066] The distance between two adjacent array arms along the length direction of the dielectric plate is at least 1.4 mm.

[0067] Furthermore, a first branch first radiator 331 and a first branch second radiator 332 are respectively provided on both sides of the first branch 33, and the angles between the first branch first radiator 331 and the first branch second radiator 332 and the first branch 33 are both 45°; a second branch first radiator 341 and a second branch second radiator 342 are respectively provided on both sides of the second branch 34, and the angles between the second branch first radiator 341 and the second branch second radiator 342 and the second branch 34 are both 45°.

[0068] In this embodiment, the first branch 33 is arranged along the +45° diagonal direction of the dielectric plate, and a first-branch first radiator 331 and a first-branch second radiator 332 are respectively provided on both sides of the first branch 33. The first-branch first radiator 331 is arranged on the side of the first branch 33 close to the second branch 34, and the first-branch second radiator 332 is arranged on the side of the first branch 33 away from the second branch 34. The angles between the first-branch first radiator 331 and the first-branch second radiator 332 and the first branch 33 are both 45°, and the angle between the first-branch first radiator 331 and the first-branch second radiator 332 is 90°. The widths of the first-branch first radiator 331 and the first-branch second radiator 332 are both 0.3 mm, and the width of the first branch 33 is 0.8 mm. This allows the first array pair to meet the RF performance requirements within the operating frequency band.

[0069] The second branch 34 is arranged along the -45° diagonal direction of the dielectric plate. A second-branch first radiator 341 and a second-branch second radiator 342 are respectively provided on either side of the second branch 34. The second-branch first radiator 341 is arranged on the side of the second branch 34 close to the first branch 33, and the second-branch second radiator 342 is arranged on the side of the second branch 34 away from the first branch 33. The angles between the second-branch first radiator 341 and the second-branch second radiator 342 and the second branch 34 are both 45°, and the angle between the second-branch first radiator 341 and the second-branch second radiator 342 is 90°. The widths of the second-branch first radiator 341 and the second-branch second radiator 342 are both 0.3 mm, and the width of the second branch 34 is 0.8 mm. This ensures that the second array pair meets the RF performance requirements within the operating frequency band.

[0070] The first branch first radiator 331 and the second branch first radiator 341 are parallel to each other, and the distance between the first branch first radiator 331 and the second branch first radiator 341 is at least 1 mm.

[0071] Furthermore, the first array arm 311 and the third array arm 321 are both provided with a first hollow portion 36, and the first hollow portion 36 is provided with a first hollow portion cut corner on both sides of one end close to the center of the dielectric plate; the second array arm 312 and the fourth array arm 322 are both provided with a second hollow portion 37, and the second hollow portion 37 is provided with a second hollow portion cut corner on both sides of one end close to the center of the dielectric plate.

[0072] In this embodiment, a first cutout portion 36 is provided on each of the first and third array arms 311, 321. First cutout corners are provided on both sides of the first cutout portion 36 at one end near the center of the dielectric plate. The diagonal length of the first cutout portion 36 is 4.5 mm. This allows the first and third array arms 311, 321 to meet the RF performance requirements within the operating frequency band.

[0073] By providing a second hollow portion 37 on the second array arm 312 and the fourth array arm 322, and providing second hollow portion cut corners on both sides of the second hollow portion 37 at one end close to the center of the dielectric plate, wherein the diagonal length of the second hollow portion 37 is 3 mm, the second array arm 321 and the fourth array arm 322 can meet the RF performance requirements in the operating frequency band.

[0074] Furthermore, the first hollow portion 36 is provided with a first air gap 361 on both sides of one end away from the center of the dielectric plate, and the first air gap 361 extends in a direction away from the center of the dielectric plate; the second hollow portion 37 is provided with a second air gap 371 on both sides of one end away from the center of the dielectric plate, and the second air gap 371 extends in a direction away from the center of the dielectric plate.

[0075] In this embodiment, a first air gap 361 is provided on each side of the first hollow portion 36 at an end away from the center of the dielectric plate. The first air gap 361 has a width of at least 0.5 mm and extends away from the center of the dielectric plate. This allows the first and third array arms 311 and 321 to meet RF performance requirements within the operating frequency band.

[0076] By providing a second air gap 371 on each side of the second hollow portion 37 at an end away from the center of the dielectric plate, wherein the width of the second air gap 371 is at least 0.5 mm and the second air gap 371 extends away from the center of the dielectric plate, the second array arm 312 and the fourth array arm 322 can meet the RF performance requirements in the operating frequency band.

[0077] Furthermore, the distance between the reflector 1 and the 5G frequency band antenna array element 3 is 15.5-16.5 mm.

[0078] In this embodiment, to prevent reflector 1 from affecting the gain, beamwidth, and axial ratio performance indicators of 5G band antenna array element 3, the distance between reflector 1 and 5G band antenna array element 3 is 15.5-16.5 mm. Preferably, when the distance between the upper surface of reflector 1 and the upper surface of 5G band antenna array element 3 is 16 mm, the gain, beamwidth, and axial ratio performance indicators of the antenna assembly can be guaranteed.

[0079] Furthermore, the power divider 2 is a first-order Wilkinson power divider, and the power divider 2 is arranged on a power divider dielectric plate. The length of the power divider dielectric plate is 33.26 mm, and the width of the power divider dielectric plate is 20 mm.

[0080] In this embodiment, a first-order Wilkinson power splitter is used to combine the two 5G frequency band antenna array elements 3, which can achieve the combined output of the two co-polarized antennas and effectively improve the antenna gain.

[0081] Specifically, the first arm 311 of one 5G band antenna array element 3 and the first arm 311 of another 5G band antenna array element 3 are respectively connected to the two first input terminals 21 of the power divider 2 through their respective coaxial cables, and are output from the first output terminal 211 after being combined; the third arm 321 of one 5G band antenna array element 3 and the third arm 321 of another 5G band antenna array element 3 are respectively connected to the two second input terminals 22 of the power divider 2 through their respective coaxial cables, and are output from the second output terminal 221 after being combined.

[0082] The power divider 2 is arranged on the power divider dielectric plate. The length of the power divider dielectric plate is 33.26 mm and the width is 20 mm. It can ensure the overall structure of the antenna assembly is compact and small while ensuring the performance indicators of the antenna assembly's gain, lobe width and axial ratio.

[0083] From the above description, it can be seen that the beneficial effect of the present invention is that: a 5G high-gain directional antenna assembly is proposed, including a reflector, a power divider and two 5G frequency band antenna array elements, the two 5G frequency band antenna array elements are arranged on the reflector through an array element bracket, the power divider is arranged between the two 5G frequency band antenna array elements through a fixing frame, and the two 5G frequency band antenna array elements are respectively connected to the two input ends of the power divider through coaxial cables. While ensuring a compact structure, the antenna assembly also has excellent radio frequency performance, uses less materials, reduces assembly difficulty, improves assembly efficiency, improves production capacity, and effectively reduces labor and material costs.

[0084] It is easy for those skilled in the art to understand that the above embodiments can be freely combined and superimposed without conflict.

[0085] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A 5G high-gain directional antenna assembly, characterized by: It includes a reflector, a power divider and two 5G frequency band antenna array elements. The power divider is set on the reflector through a fixing frame. The two 5G frequency band antenna array elements are respectively set on both sides of the power divider through two array element brackets. The two 5G frequency band antenna array elements are respectively connected to the two input ends of the power divider through coaxial cables.

2. The 5G high-gain directional antenna assembly according to claim 1, characterized in that: The 5G frequency band antenna array element includes a square dielectric plate and a first array pair, a second array pair, a first branch, and a second branch arranged on the dielectric plate. The first array pair and the second array pair are arranged on a side of the dielectric plate facing the reflector, and the first branch and the second branch are arranged on a side of the dielectric plate away from the reflector. The first array pair is connected to the first branch through a first countersunk copper hole, and the second array pair is connected to the second branch through a second countersunk copper hole. The first array pair and the second array pair are physically at +45° and -45°, respectively, to achieve cross-polarization. Each array element bracket includes a first bracket and a second bracket, the first bracket is set corresponding to the first array pair, and the second bracket is set corresponding to the second array pair. The distance between the first bracket and the second bracket is at least 1.5mm, and the width of the first bracket and the second bracket is 3.5-4mm.

3. The 5G high-gain directional antenna assembly according to claim 2, characterized in that: The first array pair includes a first array arm and a second array arm, the first array arm and the second array arm are diagonally arranged along a diagonal line of the dielectric plate, and the first array arm and the second array arm are provided with cut corners on both sides of the one diagonal line of the dielectric plate; the second array pair includes a third array arm and a fourth array arm, the third array arm and the fourth array arm are diagonally arranged along the other diagonal line of the dielectric plate, and the third array arm and the fourth array arm are provided with cut corners on both sides of the other diagonal line of the dielectric plate.

4. The 5G high-gain directional antenna assembly according to claim 3, characterized in that: A first-branch first radiator and a first-branch second radiator are respectively provided on both sides of the first branch, and the angle between the first-branch first radiator and the first-branch second radiator and the first branch is 45°; a second-branch first radiator and a second-branch second radiator are respectively provided on both sides of the second branch, and the angle between the second-branch first radiator and the second branch is 45°.

5. The 5G high-gain directional antenna assembly according to claim 4, characterized in that: The first array arm and the third array arm are both provided with a first hollow portion, and the first hollow portion is provided with a first hollow portion cut corner on both sides of one end close to the center of the medium plate; the second array arm and the fourth array arm are both provided with a second hollow portion, and the second hollow portion is provided with a second hollow portion cut corner on both sides of one end close to the center of the medium plate.

6. The 5G high-gain directional antenna assembly according to claim 5, characterized in that: The first hollow portion is provided with a first air gap on both sides of an end away from the center of the dielectric plate, and the first air gap extends in a direction away from the center of the dielectric plate; the second hollow portion is provided with a second air gap on both sides of an end away from the center of the dielectric plate, and the second air gap extends in a direction away from the center of the dielectric plate.

7. The 5G high-gain directional antenna assembly according to claim 2, characterized in that: The dielectric plate has a side length of 28 mm, and the four corners of the dielectric plate are all rounded.

8. The 5G high-gain directional antenna assembly according to claim 1, characterized in that: The distance between the reflector and the 5G frequency band antenna array element is 15.5-16.5 mm.

9. The 5G high-gain directional antenna assembly according to claim 1, characterized in that: The length of the reflective plate is 142 mm, and the width of the reflective plate is 76.19 mm.

10. The 5G high-gain directional antenna assembly according to claim 1, characterized in that: The power divider is a first-order Wilkinson power divider, and the power divider is arranged on a power divider dielectric plate. The length of the power divider dielectric plate is 33.26 mm, and the width of the power divider dielectric plate is 20 mm.

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