A shark fin antenna

Abstract

The present invention provides a shark fin antenna, comprising: a shell and a bottom plate, the shell and the bottom plate are connected to each other to form a cavity; a printed circuit board is arranged in the cavity; at least two V2X antenna elements, at least four 5G antenna elements or at least two 4G antenna elements, and a radio antenna element are connected to the printed circuit board; the V2X antenna element and the 5G antenna element or the 4G antenna element are located on both sides of the radio antenna element; a navigation antenna module is arranged in the closed space, and the navigation antenna module is connected to the printed circuit board; one end of the cable is connected to the printed circuit board. The beneficial effect of the technical solution of the present invention is that different antenna signals can be received through a variety of different antenna elements and navigation antenna modules, different functions can be configured according to user needs, and the functions of matching a variety of different antennas under the same antenna structure can be realized, and one antenna replaces a variety of antennas with different functions to achieve maximum signal reception.

Description

Technical Field

[0001] The present invention belongs to the technical field of automobile antennas, and more specifically, relates to a shark fin antenna. Background Art

[0002] In the field of vehicle-mounted antennas, traditional vehicle antennas include telescopic antennas, stiff antennas, and vehicle glass antennas. The shark fin vehicle antenna is named for its "shark fin"-like appearance. Its fashionable, dynamic, cool appearance and powerful automotive electronic functions have gradually replaced and surpassed the original rod antenna. With the development of society and customers' increasing requirements for product functions, the existing shark fin antenna has limited internal space, and it is difficult to arrange multiple antenna modules in a limited space. Therefore, it has a single function and is difficult to meet the needs of vehicle users. In order to meet people's demand for intelligent use of vehicles, it is urgent to develop a multifunctional and highly integrated vehicle antenna. Summary of the invention

[0003] The purpose of the present invention is to provide a shark fin antenna to address the deficiencies in the prior art. The shark fin antenna receives different signals through a variety of different antenna elements and amplifies the signals before outputting them to a car host or TBOX, thereby maximizing signal reception and ensuring that the needs of multiple different functions can be met in the same shark fin antenna.

[0004] To achieve the above purpose, the technical solution provided by the present invention is as follows:

[0005] A shark fin antenna, comprising:

[0006] A shell and a bottom plate, wherein the shell and the bottom plate are connected to each other to form a cavity;

[0007] a printed circuit board, the printed circuit board being arranged in the cavity and on the bottom plate;

[0008] At least two V2X antenna elements, at least four 5G antenna elements or at least two 4G antenna elements, and a radio antenna element are connected to the printed circuit board;

[0009] The V2X antenna element and the 5G antenna element are located on both sides of the radio antenna element, or the V2X antenna element and the 4G antenna element are located on both sides of the radio antenna element;

[0010] A navigation antenna module is arranged in the enclosed space, and the navigation antenna module is connected to the printed circuit board;

[0011] A cable, one end of which is connected to the printed circuit board.

[0012] Preferably, the printed circuit board is a PCB amplifier board.

[0013] Preferably, the V2X antenna element includes a first V2X antenna element and a second V2X antenna element;

[0014] The 5G antenna elements include a first 5G antenna element, a second 5G antenna element, a third 5G antenna element and a fourth 5G antenna element;

[0015] The first 5G antenna element and the second 5G antenna element are arranged at one end of the printed circuit board and are located on the same plane with each other, and the third 5G antenna element and the fourth 5G antenna element are arranged at the other end of the printed circuit board and are located on the same plane with each other;

[0016] The radio antenna element is arranged between the first 5G antenna element and the fourth 5G antenna element;

[0017] The first V2X antenna element is arranged on a side of the first 5G antenna element close to the navigation antenna module and is located on the same plane as the first 5G antenna element, and the second V2X antenna element is arranged on a side of the fourth 5G antenna element away from the navigation antenna module and is located on the same plane as the fourth 5G antenna element.

[0018] Preferably, any two of the first 5G antenna element, the second 5G antenna element, the third 5G antenna element and the fourth 5G antenna element are 5G main antenna elements, and the other two are 5G secondary antenna elements; or, the first 5G antenna element, the second 5G antenna element, the third 5G antenna element and the fourth 5G antenna element are all 5G main antenna elements.

[0019] Preferably, the navigation antenna module includes at least one of a GPS navigation unit, a Beidou navigation unit, and a GLONASS navigation unit.

[0020] Preferably, it further comprises a clamp, which is screwed and fixed on the base plate, and threading holes are respectively provided inside the clamp and on the base plate, and the cables are threaded in the threading holes.

[0021] Preferably, it further comprises a rubber pad, which is screwed and fixed to the base plate and covers the bottom of the base plate and covers the joint between the shell and the base plate.

[0022] Preferably, it further comprises a plurality of combination nuts, the rubber pad is provided with a plurality of mounting holes matched with the combination nuts, and the shark fin antenna can be fixedly mounted on the roof of the car through the combination nuts and the mounting holes.

[0023] Preferably, the housing and the printed circuit board are respectively screwed and fixed to the bottom plate.

[0024] Preferably, a connector is provided at the other end of the cable.

[0025] The beneficial effects of the technical solution of the present invention are:

[0026] 1. Different signals can be received through a variety of different antenna vibrators. Compared with built-in antennas, this product has no interference or obstruction around it, and the received signal is stronger. Compared with other shark fin antennas, this product has a larger internal space, high integration, and more functions. Configure different functions according to user needs to achieve the function of matching multiple different antennas under the same antenna structure. One antenna replaces multiple antennas with different functions to achieve maximum signal reception.

[0027] 2. Through different modules, ordinary or high-precision navigation signals can be received. Some of the received signals are processed by the amplifier circuit of the printed circuit board and then output to the car's host or TBOX. The signals that do not need to be processed by the amplifier circuit are directly output to the host or TBOX after receiving, thus realizing signal reception and transmission.

[0028] 3. This antenna is fixed by two combination nuts and installed on the roof of the car for easy disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein like reference numerals generally represent like components throughout the exemplary embodiments of the present invention.

[0030] Figure 1 The figure is a schematic diagram of the structural decomposition of a shark fin antenna according to an embodiment of the present invention.

[0031] Description of reference numerals:

[0032] 1. Shell; 2. Radio vibrator; 3. First V2X vibrator; 4. First 5G vibrator; 5. Second 5G vibrator; 6. Third 5G vibrator; 7. Fourth 5G vibrator; 8. Second V2X vibrator; 9. Self-tapping screws; 10. Printed circuit board; 11. Navigation antenna module; 12. Self-tapping screws for clamps; 13. Clamps; 14. Bottom plate; 15. Rubber pads; 16. Self-tapping screws for the shell; 17. Combination nuts; 18. Cable for the first navigation antenna module 1. Cable; 19. Second navigation antenna module cable; 20. AM / FM cable; 21. Navigation antenna module connector; 22. AM / FM connector; 23. First 5G cable; 24. Second 5G cable; 25. First 5G connector; 26. Third 5G cable; 27. Fourth 5G cable; 28. Second 5G connector; 29. ​​First V2X cable; 30. Second V2X cable; 31. V2X connector. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0034] The meanings of the abbreviations and symbols in the specific implementation manner are as follows:

[0035] 5G: fifth generation mobile communication technology;

[0036] V2X: Vehicle-to-everything (V2X) wireless communication technology.

[0037] Reference Figure 1 As shown, the present invention provides a shark fin antenna, comprising:

[0038] The housing 1 and the bottom plate 10 are connected to each other to form a cavity;

[0039] A printed circuit board 10, the printed circuit board 10 is arranged in the cavity and on the bottom plate 10;

[0040] At least two V2X antenna elements, at least four 5G antenna elements or at least two 4G antenna elements, and a radio antenna element 2 are connected to a printed circuit board 10;

[0041] The V2X antenna element and the 5G antenna element are located on both sides of the radio antenna element 2, or the V2X antenna element and the 4G antenna element are located on both sides of the radio antenna element 2;

[0042] A navigation antenna module 11 is arranged in the closed space, and the navigation antenna module 11 is connected to the printed circuit board 10;

[0043] A cable, one end of which is connected to the printed circuit board 10 .

[0044] Specifically, by integrating at least two V2X antenna vibrators (first V2X antenna vibrator 3, second V2X antenna vibrator 8), at least two 5G antenna vibrators (first 5G antenna vibrator 4, second 5G antenna vibrator 5, third 5G antenna vibrator 6, fourth 5G antenna vibrator 7) or at least two 4G antenna vibrators, radio antenna vibrator 2 and navigation antenna module 11 in a limited closed space, different antenna signals can be received through a variety of different antenna vibrators and navigation antenna module 11, respectively realizing the V2X antenna function, 5G antenna function, AM / FM radio antenna function and navigation antenna function of the shark fin antenna, enriching the functions of the vehicle antenna, with a compact structure and high integration. Compared with the built-in antenna, this product has no interference or obstruction around it, and the received signal is stronger; compared with other shark fin antennas, this product has a larger internal space, high integration, and more functions that can be realized. Different functions are configured according to user needs to achieve the matching of different antenna functions under the same antenna structure, and one antenna replaces multiple antennas with different functions to achieve maximum signal reception.

[0045] In a preferred example, the printed circuit board 10 is a PCB amplifier board.

[0046] Specifically, the navigation module connected to the printed circuit board 10 can select navigation modules of different precisions to receive low-precision GPS / BD / GLONASS navigation signals or high-precision GPS / BD / GLONASS navigation signals. That is, the navigation antenna module includes a GPS navigation unit (GPS), a Beidou navigation unit (BD) and a GLONASS navigation unit (GLONASS). Selecting a low-precision navigation antenna module receives low-precision GPS / BD / GLONASS navigation signals; on the contrary, selecting a high-precision navigation antenna module receives high-precision GPS / BD / GLONASS navigation signals. The printed circuit board 10 is a PCB amplifier board, that is, a signal amplification circuit is provided on the printed circuit board 10, and the radio antenna vibrator 2 and the navigation antenna module 11 are connected to the signal amplification circuit to amplify and filter the received AM / FM radio antenna signal and the navigation antenna signal, thereby improving the signal reception quality and ensuring the signal transmission.

[0047] In a preferred example, the V2X antenna element includes a first V2X antenna element 3 and a second V2X antenna element 8;

[0048] The 5G antenna elements include a first 5G antenna element 4, a second 5G antenna element 5, a third 5G antenna element 6 and a fourth 5G antenna element 7;

[0049] The first 5G antenna element 4 and the second 5G antenna element 5 are arranged at one end of the printed circuit board 10 and are located on the same plane with each other, and the third 5G antenna element 6 and the fourth 5G antenna element 7 are arranged at the other end of the printed circuit board 10 and are located on the same plane with each other;

[0050] The radio antenna element 2 is arranged between the first 5G antenna element 4 and the fourth 5G antenna element 7;

[0051] The first V2X antenna element 3 is arranged on a side of the first 5G antenna element 4 close to the navigation antenna module 11 and is located on the same plane as the first 5G antenna element 4, and the second V2X antenna element 8 is arranged on a side of the fourth 5G antenna element 7 away from the navigation antenna module 11 and is located on the same plane as the fourth 5G antenna element 7.

[0052] Specifically, the first 5G antenna vibrator 4, the second 5G antenna vibrator 5, the third 5G antenna vibrator 6, the fourth 5G antenna vibrator 7, the first V2X antenna vibrator 3, the second V2X antenna vibrator 8 and the radio antenna vibrator 2 are all sheet antenna vibrators and are vertically installed on the printed circuit board 10. The first V2X antenna vibrator 3 and the third 5G antenna vibrator 6, the first 5G antenna vibrator 4 and the fourth 5G antenna vibrator 7, the second 5G antenna vibrator 5 and the second V2X antenna vibrator 8 are arranged on the edges of both sides of the printed circuit board 10 in pairs, and the radio antenna vibrator 2 is arranged on the central axis of the printed circuit board 10. The bottom end of each antenna vibrator is welded and fixed to the corresponding printed circuit on the printed circuit board 10. The above-mentioned arrangement can maximize the isolation between multiple antenna vibrators and ensure the working performance of each antenna vibrator. The interval between the antenna vibrators and the shape of the antenna vibrators can also be appropriately adjusted according to the internal space, so as to increase the receiving area of ​​the antenna vibrator in a limited space.

[0053] Furthermore, the relative position settings between the V2X antenna element, 5G antenna element or 4G antenna element, radio antenna element and navigation module of the technical solution can be adjusted according to actual design requirements.

[0054] Among them, the 5G antenna vibrator and the V2X antenna vibrator can be metal antennas or PCB antennas. The two V2X antenna vibrators use coplanar waveguide antennas, which can make the two V2X antenna vibrators unaffected by other antennas and ensure the performance of the V2X antenna vibrators. Among them, those skilled in the art can select antenna vibrators with specific antenna parameter indicators according to actual needs, which will not be repeated here. For example, according to actual needs, match the 4G antenna vibrator to replace the 5G antenna vibrator to reduce costs.

[0055] Among them, the 5G antenna frequency band is Sub6GHz, including 3300MHz~4200MHz, 4400MHz~5000MHz, and is backward compatible with 2G / 3G / 4G frequency bands, including 690MHz~960MHz, 1710MHz~2170MHz, 2300MHz~2690MHz; the V2X antenna frequency band includes 5850MHz~5925MHz.

[0056] In a preferred example, any two of the first 5G antenna element 4, the second 5G antenna element 5, the third 5G antenna element 6 and the fourth 5G antenna element 7 are 5G main antenna elements, and the other two are 5G secondary antenna elements; or, the first 5G antenna element 4, the second 5G antenna element 5, the third 5G antenna element 6 and the fourth 5G antenna element 7 are all 5G main antenna elements.

[0057] Specifically, under normal circumstances, it is preferred that the first 5G antenna element 4 and the second 5G antenna element 5 are main antennas, and the third 5G antenna element 6 and the fourth 5G antenna element 7 are auxiliary antennas in a main and auxiliary form, or other antenna elements in pairs are used as a main and auxiliary form according to actual needs, or all are set as 5G main antenna elements, and can also be arranged as a main antenna element or an auxiliary antenna element according to actual design requirements and the reserved space of the antenna element.

[0058] In a preferred example, the navigation antenna module 11 includes at least one of a GPS navigation unit, a Beidou navigation unit, and a GLONASS navigation unit.

[0059] Specifically, the GPS navigation unit, the Beidou navigation unit and the GLONASS navigation unit make the application range of the navigation antenna module 11 wider.

[0060] A preferred example further includes a clamp 13, which is screwed and fixed on the bottom plate 14. The inside of the clamp 13 and the bottom plate 14 are respectively provided with threading holes, and the cables are threaded in the threading holes.

[0061] Specifically, the clamp 13 is provided with a connection portion (a column with an internal thread) protruding downward, and is fixedly connected to the base plate 14 by a plurality of clamp self-tapping screws 12. The cables pass through the threading holes, thereby protecting the cables.

[0062] A preferred example further includes a rubber pad 15 , which is screwed and fixed to the bottom plate 14 and covers the bottom of the bottom plate and covers the joint between the housing 1 and the bottom plate 14 .

[0063] In a preferred example, the housing 1 and the printed circuit board 10 are respectively fixed to the bottom plate 14 by screws.

[0064] Specifically, the rubber pad 15 is a waterproof rubber pad, which covers the bottom of the base plate 14 and at the same time covers the seam between the shark fin shell 1 and the base plate 14 to play a waterproof role. It can ensure the sealing of the shell 1 and the roof when the shark fin antenna is installed as a whole on the roof, avoid the risk of short circuit caused by rain, and improve the service life of the equipment. The waterproof rubber pad 15 is provided with corresponding holes corresponding to the positions of the above-mentioned threading holes to allow the cables to pass through and interconnect with external equipment.

[0065] Specifically, the shell 1 is made of plastic and is made by injection molding; the bottom plate 10 is made of metal and is made by die casting; the rubber pad 15 is made of rubber and is made by vulcanization. The printed circuit board 10 is screwed to the bottom plate 14 by self-tapping screws 9, and the shark fin shell 1, the bottom plate 14 and the rubber pad 15 are fixedly connected by shell self-tapping screws 16.

[0066] A preferred example further includes a plurality of combination nuts 17, and the rubber pad 15 is provided with a plurality of mounting holes adapted to the combination nuts 17, and the shark fin antenna can be fixedly installed on the roof of the car through the combination nuts 17 and the mounting holes.

[0067] Specifically, two combination nuts 17 are provided to pass through the mounting holes to fix the base plate 14 on the roof of the car, thereby achieving a fixed connection between the shark fin antenna and the roof.

[0068] In a preferred example, a connector is provided at the other end of the cable.

[0069] Specifically, the shark fin antenna also includes a plurality of cables corresponding to the plurality of antenna elements. Each cable passes through a threading hole and is welded to a printed circuit board, and a corresponding connector is provided at the other end to connect to a corresponding external device. The first 5G antenna element 4 is connected to the first 5G cable 23, the second 5G antenna element 5 is connected to the second 5G cable 24, the first 5G cable 23 and the second 5G cable 24 are a wiring harness group corresponding to the first 5G connector 25; the third 5G antenna element 6 is connected to the third 5G cable 26, the fourth 5G antenna element 7 is connected to the fourth 5G cable 27, the third 5G cable 26 and the fourth 5G cable 27 are a wiring harness group corresponding to the second 5G connector 28; the first V2X antenna element 3 is connected to the first V2X cable 29, the second V2 The X antenna vibrator 8 is connected to the second V2X cable 30, the first V2X cable 29 and the second V2X cable 30 are a wiring harness group corresponding to the V2X connector 31; the radio antenna vibrator 2 is connected to the AM / FM cable 20, and the AM / FM cable 20 is connected to the AM / FM connector 22; the navigation antenna module 11 is connected to the first navigation antenna module cable 18 and the second navigation antenna module cable 19, and the first navigation antenna module cable 18 and the second navigation antenna module cable 19 are a wiring harness group corresponding to the navigation antenna module connector 21. Those skilled in the art can set the cable connection according to the actual situation and design the corresponding PCB circuit, which will not be repeated here.

[0070] Example

[0071] refer to Figure 1 As shown, the present invention provides a shark fin antenna, comprising:

[0072] The outer shell 1 and the bottom plate 14 are connected to each other to form a cavity;

[0073] A printed circuit board 10, the printed circuit board 10 is disposed in the cavity and on a bottom plate 14;

[0074] At least two V2X antenna elements, at least four 5G antenna elements or at least two 4G antenna elements, and a radio antenna element 2 are connected to a printed circuit board 10;

[0075] The V2X antenna element and the 5G antenna element are located on both sides of the radio antenna element 2, or the V2X antenna element and the 4G antenna element are located on both sides of the radio antenna element 2;

[0076] A navigation antenna module 11 is arranged in the closed space, and the navigation antenna module 11 is connected to the printed circuit board 10;

[0077] A cable, one end of which is connected to a printed circuit board.

[0078] In this embodiment, the printed circuit board 10 is a PCB amplifier board.

[0079] In this embodiment, the V2X antenna element includes a first V2X antenna element 3 and a second V2X antenna element 8;

[0080] The 5G antenna elements include a first 5G antenna element 4, a second 5G antenna element 5, a third 5G antenna element 6 and a fourth 5G antenna element 7;

[0081] The first 5G antenna element 4 and the second 5G antenna element 5 are arranged at one end of the printed circuit board 10 and are located on the same plane with each other, and the third 5G antenna element 6 and the fourth 5G antenna element 7 are arranged at the other end of the printed circuit board 10 and are located on the same plane with each other;

[0082] The radio antenna element 2 is arranged between the first 5G antenna element 4 and the fourth 5G antenna element 7;

[0083] The first V2X antenna element 3 is arranged on a side of the first 5G antenna element 4 close to the navigation antenna module 11 and is located on the same plane as the first 5G antenna element 4, and the second V2X antenna element 8 is arranged on a side of the fourth 5G antenna element 7 away from the navigation antenna module 11 and is located on the same plane as the fourth 5G antenna element 7.

[0084] In this embodiment, any two of the first 5G antenna element 4, the second 5G antenna element 5, the third 5G antenna element 6 and the fourth 5G antenna element 7 are 5G main antenna elements, and the other two are 5G secondary antenna elements; or, the first 5G antenna element 4, the second 5G antenna element 5, the third 5G antenna element 6 and the fourth 5G antenna element 7 are all 5G main antenna elements.

[0085] In this embodiment, the navigation antenna module 11 includes at least one of a GPS navigation unit, a Beidou navigation unit, and a GLONASS navigation unit.

[0086] In this embodiment, a clamping member 13 is further included. The clamping member 13 is screwed and fixed on the bottom plate 14. Wire threading holes are respectively provided inside the clamping member 13 and on the bottom plate 14. Cables are threaded through the wire threading holes.

[0087] In this embodiment, a rubber pad 15 is further included. The rubber pad 15 is screwed and fixed to the bottom plate 14 and covers the bottom of the bottom plate 14 and the joint between the housing 1 and the bottom plate 14 .

[0088] In this embodiment, two combination nuts 17 are further included, and the rubber pad 15 is provided with two mounting holes adapted to the combination nuts 17 . The shark fin antenna can be fixedly installed on the roof of the car through the combination nuts 17 and the mounting holes.

[0089] In this embodiment, the housing 1 and the printed circuit board 10 are respectively fixed to the bottom plate 14 by screws.

[0090] In this embodiment, a connector is provided at the other end of the cable.

[0091] In summary, the shark fin antenna provided by the present invention integrates two V2X antenna elements (the first V2X antenna element 3, the first 5G antenna element 4), four 5G antenna elements (the first 5G antenna element 4, the second 5G antenna element 5, the third 5G antenna element 6, the fourth 5G antenna element 7), the radio antenna element 2 and the navigation antenna module 11 in a limited closed space. Through a variety of different antenna elements and the navigation antenna module 11, different antenna signals can be received, and the V2X antenna function, 5G antenna function, AM / FM radio antenna function and navigation antenna function of the shark fin antenna are respectively realized, enriching the functions of the vehicle-mounted antenna, with a compact structure and high integration. The printed circuit board 10 also includes an amplifying circuit, which connects the radio antenna element 2 and the navigation antenna module 11, amplifies and filters the received AM / FM radio antenna signal and the navigation antenna signal, improves the signal reception quality, and ensures the signal transmission. At the same time, the shark fin antenna still maintains the original shark fin shape, which is convenient for installation on the roof and has a higher degree of integration.

[0092] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A shark fin antenna, characterized in that: include: A shell and a bottom plate, wherein the shell and the bottom plate are connected to each other to form a cavity; a printed circuit board, the printed circuit board being arranged in the cavity and on the bottom plate; At least two V2X antenna elements, at least four 5G antenna elements or at least two 4G antenna elements, and a radio antenna element are connected to the printed circuit board; The V2X antenna element and the 5G antenna element are located on both sides of the radio antenna element, or the V2X antenna element and the 4G antenna element are located on both sides of the radio antenna element; A navigation antenna module is arranged in the closed space, and the navigation antenna module is connected to the printed circuit board; A cable, one end of which is connected to the printed circuit board; The V2X antenna element includes a first V2X antenna element and a second V2X antenna element; The 5G antenna elements include a first 5G antenna element, a second 5G antenna element, a third 5G antenna element and a fourth 5G antenna element; The first 5G antenna element and the second 5G antenna element are arranged at one end of the printed circuit board and are located on the same plane with each other, and the third 5G antenna element and the fourth 5G antenna element are arranged at the other end of the printed circuit board and are located on the same plane with each other; The radio antenna element is arranged between the first 5G antenna element and the fourth 5G antenna element; The first V2X antenna element is arranged on a side of the first 5G antenna element close to the navigation antenna module and is located on the same plane as the first 5G antenna element, and the second V2X antenna element is arranged on a side of the fourth 5G antenna element away from the navigation antenna module and is located on the same plane as the fourth 5G antenna element; Among them, the 5G antenna vibrator and the V2X antenna vibrator are metal antennas or PCB antennas, and the two V2X antenna vibrators use coplanar waveguide antennas; Among them, the 5G antenna frequency bands include 3300MHz~4200MHz, 4400MHz~5000MHz, and are backward compatible with 2G / 3G / 4G frequency bands, of which 2G includes 690MHz~960MHz, 3G includes 1710MHz~2170MHz, and 4G includes 2300MHz~2690MHz; the V2X antenna frequency band includes 5850MHz~5925MHz.

2. The shark fin antenna according to claim 1, characterized in that: The printed circuit board is a PCB amplifier board.

3. The shark fin antenna according to claim 1, characterized in that: Any two of the first 5G antenna element, the second 5G antenna element, the third 5G antenna element and the fourth 5G antenna element are 5G main antenna elements, and the other two are 5G secondary antenna elements; or, the first 5G antenna element, the second 5G antenna element, the third 5G antenna element and the fourth 5G antenna element are all 5G main antenna elements.

4. The shark fin antenna according to claim 1, characterized in that: The navigation antenna module includes at least one of a GPS navigation unit, a Beidou navigation unit, and a GLONASS navigation unit.

5. The shark fin antenna according to claim 1, characterized in that: It also includes a clamping member, which is screwed and fixed on the bottom plate. The inside of the clamping member and the bottom plate are respectively provided with threading holes, and the cables are threaded in the threading holes.

6. The shark fin antenna according to claim 1, characterized in that: It also includes a rubber pad, which is screwed and fixed to the bottom plate and covers the bottom of the bottom plate and covers the seam between the shell and the bottom plate.

7. The shark fin antenna according to claim 6, characterized in that: It also includes a plurality of combination nuts, and the rubber pad is provided with a plurality of mounting holes adapted to the combination nuts. The shark fin antenna can be fixedly mounted on the roof of the car through the combination nuts and the mounting holes.

8. The shark fin antenna according to claim 1, characterized in that: The housing and the printed circuit board are respectively screwed and fixed to the bottom plate.

9. The shark fin antenna according to claim 1, characterized in that: The other end of the cable is provided with a connector.

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