CN211062855U - Dual-frequency antenna system and terminal equipment - Google Patents
Dual-frequency antenna system and terminal equipment Download PDFInfo
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- CN211062855U CN211062855U CN201921838464.4U CN201921838464U CN211062855U CN 211062855 U CN211062855 U CN 211062855U CN 201921838464 U CN201921838464 U CN 201921838464U CN 211062855 U CN211062855 U CN 211062855U
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- frequency wifi
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a dual-frenquency antenna system and terminal equipment, dual-frenquency antenna system includes the base plate, the both ends with one side of base plate all are provided with dual-frenquency antenna module, dual-frenquency antenna module includes a low frequency wifi radiation piece and a high frequency wifi radiation piece, two high frequency wifi radiation piece is located two between the wifi radiation piece, two the polarization direction quadrature of low frequency wifi radiation piece. In the utility model, two wifi radiation pieces with high frequency and low frequency are used respectively, so that high-low frequency division independence is realized, the radiation patterns of the two high-frequency wifi radiation pieces are omnidirectional in the horizontal plane, and the vertical polarization horizontal omnidirectional coverage of the low-profile single antenna can be realized; two low frequency wifi radiation pieces pass through the orthogonal overall arrangement of polarization direction to realize the qxcomm technology cover, avoid suffering the metal reflection, thereby avoid producing the communication blind area, promote anti metal property.
Description
Technical Field
The utility model relates to an antenna technology field especially relates to a dual-band antenna system and terminal equipment.
Background
The conventional antenna realizes dual-frequency wifi by adopting a mode of integrating high-frequency and low-frequency dual resonance, but the conventional antenna is a non-anti-metal antenna, namely the conventional antenna needs to be away from metal for a certain distance, otherwise the conventional antenna cannot work normally; moreover, the metallized frame of the current terminal equipment becomes a trend more and more, and the popularization of the metallized frame in the terminal equipment inevitably causes a certain degree of interference to the signal of the current antenna by the metal frame, which causes the uncontrollable polarization and directional diagram of the current antenna form, the omnidirectional coverage of the antenna signal cannot be realized, and the phenomena of unsmooth wireless connection or even no wireless connection in certain directions occur.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a dual-band antenna system and terminal equipment, aim at solving among the prior art technical problem that the dual-band antenna receives the unable signal omnidirectional coverage that realizes that the metal influences.
The utility model provides a technical scheme that technical problem adopted as follows:
the utility model provides a dual-frenquency antenna system, its includes the base plate, wherein, the base plate all is provided with two dual-frenquency antenna module, every with the both ends of one side dual-frenquency antenna module all includes a low frequency wifi radiation piece and a high frequency wifi radiation piece, two the high frequency wifi radiation piece all is located two between the wifi radiation piece, two the polarization direction quadrature of low frequency wifi radiation piece.
The dual-frequency antenna system is characterized in that the radiation edges of the two low-frequency wifi radiation pieces are inclined relative to the arrangement direction of the two dual-frequency antenna assemblies.
The dual-frequency antenna system also comprises the feeder lines which are respectively in one-to-one correspondence with the low-frequency wifi radiating pieces and the high-frequency wifi radiating pieces, and a main control chip which is arranged on one side of the substrate, which is far away from the dual-frequency antenna assembly; the low frequency wifi radiation piece with the high frequency wifi radiation piece is respectively through corresponding the feeder with the main control chip electricity is connected.
The dual-frequency antenna system is characterized in that a plurality of wire passing holes are formed in the substrate, the plurality of wire passing holes are in one-to-one correspondence with the low-frequency wifi radiating pieces and the high-frequency wifi radiating pieces, and the wire passing holes are used for supplying the corresponding feeders to pass through.
The dual-frequency antenna system is characterized in that the projection of the main control chip on the substrate is positioned between the two high-frequency wifi radiating pieces.
The dual-frequency antenna system is characterized in that a grounding conductive layer is arranged on one side, deviating from the dual-frequency antenna assembly, of the substrate, and the grounding conductive layer is electrically connected with the dual-frequency antenna assembly.
The dual-frequency antenna system is characterized in that the substrate corresponds to the low-frequency wifi radiating piece and the high-frequency wifi radiating piece, a plurality of access holes are formed in the positions of the access holes, a conducting layer is arranged in each access hole, and the conducting layer enables the low-frequency wifi radiating piece and the high-frequency wifi radiating piece to be electrically connected with the grounding conducting layer.
The dual-frenquency antenna system, wherein, low frequency wifi radiating piece with all be provided with a plurality of through-hole on the high frequency wifi radiating piece, a plurality of the through-hole is with a plurality of via hole one-to-one, the conducting layer extends towards the through-hole that corresponds to with the inner wall connection of the through-hole that corresponds.
The dual-frequency antenna system is characterized in that a Bluetooth radiation piece is further arranged on one side of the dual-frequency antenna assembly on the substrate, and the Bluetooth radiation piece is electrically connected with the main control chip and the grounding conducting layer.
A terminal device comprising a dual-band antenna system as claimed in any one of the preceding claims.
Has the advantages that: the utility model discloses in use two respectively through the wifi radiation piece of high frequency and low frequency two frequency channels, realize that high-low frequency division is independent, and then realize the designability of directional diagram and polarization of dual-frenquency antenna system; the radiation patterns of the two high-frequency wifi radiation pieces are omnidirectional in the horizontal plane, so that the vertical polarization horizontal omnidirectional coverage of the low-profile single antenna can be realized; two low frequency wifi radiation piece realizes two low frequency antenna horizontal direction coincidence each other through the orthogonal overall arrangement of direction of polarization, supplements each other in the coverage area to realize the qxcomm technology cover, both guaranteed dual-frenquency antenna system can normally work, can avoid again dual-frenquency antenna system's horizontal radiation suffers the metal reflection, thereby avoids producing the communication blind area, has promoted dual-frenquency antenna system's anti metallic property.
Drawings
Fig. 1 is a first view of a dual-band antenna system according to the present invention;
fig. 2 is a second view of the dual-band antenna system of the present invention;
fig. 3 is a schematic structural diagram of the base plate of the present invention;
fig. 4 is a functional block diagram of a dual-band antenna system according to the present invention;
fig. 5 is a schematic diagram of an electrical connection structure of the high-frequency wifi radiating patch and the grounding conductive layer of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a dual-frequency antenna system, as shown in figure 1, which comprises a substrate 1, wherein two ends of the substrate 1 are provided with dual-frequency antenna components 2, and the two dual-frequency antenna components 2 are positioned at the same side of the substrate 1; specifically, the substrate 1 is rectangular, the two dual-frequency antenna assemblies 2 are respectively located at two ends of the substrate 1 in the length direction, and the two dual-frequency antenna assemblies 2 are both located at the same side of the substrate 1 in the thickness direction; each dual-frequency antenna assembly 2 comprises a low-frequency wifi radiating piece 21 and a high-frequency wifi radiating piece 22, namely, two low-frequency wifi radiating pieces 21 and two high-frequency wifi radiating pieces 22 are arranged on the same side of the substrate 1; the utility model discloses in two high frequency wifi radiation piece 22 all is located two between the low frequency wifi radiation piece 21, two the polarization direction quadrature of low frequency wifi radiation piece 21.
The utility model discloses in use two respectively through the wifi radiation piece of high frequency and low frequency two frequency channels, realize that high-low frequency division is independent, and then realize the designability of directional diagram and polarization of dual-frenquency antenna system; the radiation patterns of the two high-frequency wifi radiation pieces 22 are omnidirectional in the horizontal plane, so that the vertical polarization horizontal omnidirectional coverage of a low-profile single antenna can be realized; the two low-frequency wifi radiation pieces 21 are orthogonally arranged in the polarization direction, so that the horizontal directions of the two low-frequency antennas are overlapped, and the coverage areas are supplemented with each other, and therefore the omnidirectional coverage is realized. The utility model discloses two frequency channels frequency divisions of well high frequency and low frequency are independent to homoenergetic qxcomm technology covers, has realized the qxcomm technology of dual-frenquency antenna system signal covers, both guarantees dual-frenquency antenna system can normally work, can avoid again dual-frenquency antenna system's horizontal radiation suffers the metal reflection, thereby avoids producing the communication blind area, has promoted dual-frenquency antenna system's anti metallic property.
Further, the utility model discloses in because dual-frenquency antenna system's anti metallic property is promoted greatly, has solved among the prior art problem that produces built-in space scarcity of terminal equipment under metallized frame and the large-scale metal reflector plate condition, has overcome the antenna among the prior art and can not be apart from the too near weakness of metal, avoids terminal equipment to do dual-frenquency antenna system provides big headroom district.
The two dual-frequency antenna assemblies 2 are sequentially arranged along the length direction of the substrate 1, and the radiation edges of the two low-frequency wifi radiation pieces 21 are inclined relative to the length direction of the substrate 1; in the preferred embodiment, the radiation edge of one low-frequency wifi radiation piece inclines 45 ° relative to the length direction of the substrate 1, and the radiation edge of the other low-frequency wifi radiation piece inclines 135 ° relative to the length direction of the substrate 1, so that the radiation patterns of the two low-frequency wifi radiation pieces 21 can be complementary and have symmetrical structures, and finally, an orthogonal layout structure is presented, thereby realizing omnidirectional coverage in the horizontal plane of the low-frequency antenna.
As shown in fig. 2 and fig. 4, the dual-band antenna system further includes a main control chip 4 disposed on the substrate 1, the low-frequency wifi radiating patch 21 and the high-frequency wifi radiating patch 22 are electrically connected to the main control chip 4, so as to pass through the main control chip 4, which is the low-frequency wifi radiating patch 21 and the high-frequency wifi radiating patch 22 transmit signals. The dual-frequency antenna system further comprises four feeder lines 3, wherein the four feeder lines 3 are in one-to-one correspondence with four wifi radiating pieces respectively, so that the low-frequency wifi radiating piece 21 and the high-frequency wifi radiating piece 22 are all in correspondence with each other, and the feeder lines 3 are electrically connected with the main control chip 4.
Further, in the utility model, main control chip 4 sets up base plate 1 deviates from one side of dual-frenquency antenna module 2, makes feeder 3 will low frequency wifi radiation piece 21 high frequency wifi radiation piece 22 with when main control chip 4 electricity is connected, must partly be located towards on base plate 1 dual-frenquency antenna module 2 one side, another part is located deviate from on the base plate 1 dual-frenquency antenna module 2 one side reduces feeder 3 is right dual-frenquency antenna module 2's influence guarantees dual-frenquency antenna module 2 covers in the qxcomm technology of horizontal plane.
As shown in fig. 3, a plurality of wire holes 5 are formed in the substrate 1, preferably, the number of the wire holes 5 is 4, the 4 wire holes 5 are respectively in one-to-one correspondence with the 4 wifi radiating patches, and the wire holes 5 are used for the corresponding feeder lines 3 to pass through; one end of the feeder line 3 corresponding to the low-frequency wifi radiating piece 21 is connected with the main control chip 4, and the other end of the feeder line passes through the wire passing hole 5 corresponding to the low-frequency wifi radiating piece 21 and then is connected with the low-frequency wifi radiating piece 21; with high frequency wifi radiates piece 22 and corresponds the one end of feeder 3 with main control chip 4 is connected, the other end pass with the line hole 5 back of crossing that high frequency wifi radiates piece 22 corresponds with high frequency wifi radiates piece 22 is connected. The utility model discloses in through setting up cross line hole 5, make it can pass through to cross line hole 5 and realize that both ends are arranged in the both sides of base plate 1, the major part of feeder 3 is arranged in base plate 1 deviates from dual-frenquency antenna module 2 one side, further reduces feeder 3 is right dual-frenquency antenna module 2's influence, and can reduce the area of base plate 1, reduction in production cost.
In a preferred embodiment, the projection of the main control chip 4 on the substrate 1 is located between the two high-frequency wifi radiating patches 22, that is, the main control chip 4 is located at the central position of the feeder line 3 on the side of the substrate 1 away from the dual-frequency antenna assembly 2, and the feeder lines 3 respectively connected to the two dual-frequency antenna assemblies 2 are respectively located at two sides of the main control chip 4, so that the feeder line 3 can reach the shortest length while electrically connecting the dual-frequency antenna assembly 2 with the main control chip 4, thereby reducing the loss of the feeder line 3.
As shown in fig. 5, a grounded conductive layer 100 is disposed on the substrate 1 on a side away from the dual-frequency antenna assembly 2, and the grounded conductive layer 100 is electrically connected to the dual-frequency antenna assembly 2, so that the dual-frequency antenna assembly 2 is short-circuited to the grounded conductive layer 100.
As shown in fig. 3, the substrate 1 is provided with a plurality of via holes 6 corresponding to the low-frequency wifi radiating piece 21 and the high-frequency wifi radiating piece 22, as shown in fig. 5, a conductive layer 200 is provided in the via holes 6, the low-frequency wifi radiating piece 21 and the high-frequency wifi radiating piece 22 are all passed through the conductive layer 200 and the grounded conductive layer 100 are electrically connected.
As shown in fig. 1, low frequency wifi radiates piece 21 with all be provided with a plurality of through-hole 7, a plurality of on the high frequency wifi radiates piece 22 through-hole 7 and a plurality of 6 one-to-one in the via hole, the conducting layer 200 extends towards the through-hole 7 that corresponds to with the interior wall connection who corresponds through-hole 7, in order to improve low frequency wifi radiates piece 21 with the stability of electricity connection between the ground connection conducting layer 100, and high frequency wifi radiates piece 22 with the stability of electricity connection between the ground connection conducting layer 100.
The base plate 1 is located 2 one sides of dual-frenquency antenna module still are provided with bluetooth radiation piece 8, bluetooth radiation piece 8 is low frequency bluetooth radiation piece 8, bluetooth radiation piece 8 with main control chip 4 with ground connection conducting layer 100 is all connected electrically.
The dual-band antenna system further comprises a Bluetooth feeder line 12 and a Bluetooth wire passing hole 9 formed in the substrate 1, the Bluetooth wire passing hole 9 corresponds to the Bluetooth radiation piece 8, one end of the Bluetooth feeder line 12 is electrically connected with the main control chip 4, the other end of the Bluetooth wire passing hole 9 penetrates through the Bluetooth radiation piece 8 and is electrically connected with the Bluetooth radiation piece, and signals are provided for the Bluetooth radiation piece 8 through the main control chip 4.
The substrate 1 is further provided with a plurality of Bluetooth access holes 10 corresponding to the Bluetooth radiation pieces 8, Bluetooth conducting layers are arranged in the Bluetooth access holes 10, and two ends of each Bluetooth conducting layer are respectively electrically connected with the grounding conducting layer 100 and the Bluetooth radiation pieces 8.
Further, as shown in fig. 1, a plurality of bluetooth through holes 11 and a plurality of bluetooth access holes 10 one-to-one are provided on the bluetooth radiation sheet 8, the bluetooth conducting layer extends into the bluetooth through holes 11 and is connected with the inner wall of the bluetooth through holes 11, so as to enhance the connection stability between the bluetooth radiation sheet 8 and the grounding conducting layer 100. Bluetooth radiation piece 8 is located two between the high frequency wifi radiation piece 22, promptly the utility model discloses in two the overall arrangement of high frequency wifi radiation piece 22 is in the both sides of Bluetooth radiation piece 8, two the overall arrangement of low frequency wifi radiation piece 21 is in the outside, has improved low frequency wifi radiation piece 21 high frequency wifi radiation piece 22 and the isolation between the 8 three of bluetooth radiation piece.
Because low frequency wifi radiates piece 21's radiation limit for the length direction slope of base plate 1, consequently the utility model discloses in two form a contained angle each other between the low frequency wifi radiates piece 21, further improved low frequency wifi radiates piece 21 high frequency wifi radiates piece 22 and the isolation between the 8 three of bluetooth radiation piece.
Preferred embodiment, the utility model discloses in low frequency wifi radiation piece 21 is 2.4Hzwifi radiation piece, high frequency wifi radiation piece 22 is 5Hzwifi radiation piece, low frequency bluetooth radiation piece 8 is 2.4Hz bluetooth radiation piece 8.
The medium of the substrate 1 is FR4 material, the substrate 1 is cuboid, the length of the substrate 1 is 200mm, the width of the substrate 1 is 42mm, the thickness of the substrate 1 is 1.6mm, and the dielectric constant of the substrate 1 is 4.3 or 4.4.
The utility model also provides a terminal equipment, terminal equipment includes as above arbitrary one dual-frenquency antenna system.
To sum up, the utility model provides a dual-frenquency antenna system and terminal equipment, dual-frenquency antenna system includes the base plate, the both ends with one side of base plate all are provided with dual-frenquency antenna module, dual-frenquency antenna module includes a low frequency wifi radiation piece and a high frequency wifi radiation piece, two high frequency wifi radiation piece is located two between the wifi radiation piece, two the polarization direction quadrature of low frequency wifi radiation piece. The utility model discloses in use two respectively through the wifi radiation piece of high frequency and low frequency two frequency channels, realize that high-low frequency division is independent, and then realize the designability of directional diagram and polarization of dual-frenquency antenna system; the radiation patterns of the two high-frequency wifi radiation pieces are omnidirectional in the horizontal plane, so that the vertical polarization horizontal omnidirectional coverage of the low-profile single antenna can be realized; two low frequency wifi radiation piece realizes two low frequency antenna horizontal direction coincidence each other through the orthogonal overall arrangement of direction of polarization, supplements each other in the coverage area to realize the qxcomm technology cover, both guaranteed dual-frenquency antenna system can normally work, can avoid again dual-frenquency antenna system's horizontal radiation suffers the metal reflection, thereby avoids producing the communication blind area, has promoted dual-frenquency antenna system's anti metallic property.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a dual-frenquency antenna system, its includes the base plate, its characterized in that, the both ends with one side of base plate all are provided with dual-frenquency antenna module, every dual-frenquency antenna module all includes a low frequency wifi radiation piece and a high frequency wifi radiation piece, two the high frequency wifi radiation piece all is located two between the wifi radiation piece, two the polarization direction quadrature of low frequency wifi radiation piece.
2. The dual-band antenna system of claim 1, wherein the radiating edges of both of the low-frequency wifi radiating patches are tilted with respect to the arrangement direction of the two dual-band antenna assemblies.
3. The dual-frequency antenna system as claimed in claim 1, further comprising feed lines corresponding to the low-frequency wifi radiating patches and the high-frequency wifi radiating patches, respectively, and a main control chip disposed on a side of the substrate facing away from the dual-frequency antenna assembly; the low frequency wifi radiation piece with the high frequency wifi radiation piece is respectively through corresponding the feeder with the main control chip electricity is connected.
4. The dual-band antenna system of claim 3, wherein a plurality of wire holes are disposed on the substrate, the plurality of wire holes are in one-to-one correspondence with the low-frequency wifi radiating patches and the high-frequency wifi radiating patches, and the wire holes are used for the corresponding feed lines to pass through.
5. The dual-band antenna system of claim 3, wherein the projection of the main control chip on the substrate is located between the two high-frequency wifi radiating patches.
6. The dual-band antenna system of claim 3, wherein a grounded conductive layer is disposed on the substrate on a side facing away from the dual-band antenna assembly, the grounded conductive layer being electrically connected to the dual-band antenna assembly.
7. The dual-band antenna system of claim 6, wherein a plurality of vias are disposed on the substrate corresponding to the low-frequency wifi radiating patch and the high-frequency wifi radiating patch, and a conductive layer is disposed in the vias and electrically connects the low-frequency wifi radiating patch and the high-frequency wifi radiating patch to the ground conductive layer.
8. The dual-band antenna system of claim 7, wherein the low-frequency wifi radiating patch and the high-frequency wifi radiating patch are each provided with a plurality of through holes, the plurality of through holes are in one-to-one correspondence with the plurality of via holes, and the conductive layer extends toward the corresponding through holes and is connected with inner walls of the corresponding through holes.
9. The dual-band antenna system of claim 6, wherein a bluetooth radiating patch is further disposed on the substrate at a side of the dual-band antenna assembly, and the bluetooth radiating patch is electrically connected to both the main control chip and the ground conductive layer.
10. A terminal device, characterized in that it comprises a dual-band antenna system according to any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838464.4U CN211062855U (en) | 2019-10-29 | 2019-10-29 | Dual-frequency antenna system and terminal equipment |
| PCT/CN2020/111288 WO2021082679A1 (en) | 2019-10-29 | 2020-08-26 | Dual-band antenna system and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838464.4U CN211062855U (en) | 2019-10-29 | 2019-10-29 | Dual-frequency antenna system and terminal equipment |
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| Publication Number | Publication Date |
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| CN211062855U true CN211062855U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921838464.4U Active CN211062855U (en) | 2019-10-29 | 2019-10-29 | Dual-frequency antenna system and terminal equipment |
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| Country | Link |
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| CN (1) | CN211062855U (en) |
| WO (1) | WO2021082679A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082679A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳Tcl新技术有限公司 | Dual-band antenna system and terminal device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100123629A1 (en) * | 2008-11-14 | 2010-05-20 | Cheng Uei Precision Industry Co., Ltd. | Dual-Polarized Antenna |
| US9413069B2 (en) * | 2013-02-25 | 2016-08-09 | Taoglas Group Holdings Limited | Compact, multi-port, Wi-Fi dual band MIMO antenna system |
| CN104505590B (en) * | 2014-12-05 | 2018-05-01 | 深圳市信维通信股份有限公司 | The mimo antenna structure of WIFI terminal |
| CN104795630A (en) * | 2015-04-24 | 2015-07-22 | 普联技术有限公司 | Dual-band omnidirectional WIFI (wireless fidelity) antenna |
| CN107331959A (en) * | 2017-08-15 | 2017-11-07 | 深圳市信维通信股份有限公司 | A kind of small size double frequency WIFI antenna MIMO systems |
| CN208637590U (en) * | 2018-07-20 | 2019-03-22 | 杭州海康威视数字技术股份有限公司 | A kind of double frequency WiFi antenna and electronic equipment |
| CN208637571U (en) * | 2018-08-21 | 2019-03-22 | 中电科航空电子有限公司 | A kind of MIMO airborne antenna using WiFi and LTE |
| CN211062855U (en) * | 2019-10-29 | 2020-07-21 | 深圳Tcl新技术有限公司 | Dual-frequency antenna system and terminal equipment |
-
2019
- 2019-10-29 CN CN201921838464.4U patent/CN211062855U/en active Active
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2020
- 2020-08-26 WO PCT/CN2020/111288 patent/WO2021082679A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082679A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳Tcl新技术有限公司 | Dual-band antenna system and terminal device |
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| WO2021082679A1 (en) | 2021-05-06 |
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