CN207624906U - A kind of narrow beam high-gain multiband aerial array and high ferro antenna - Google Patents

A kind of narrow beam high-gain multiband aerial array and high ferro antenna Download PDF

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Publication number
CN207624906U
CN207624906U CN201721924774.9U CN201721924774U CN207624906U CN 207624906 U CN207624906 U CN 207624906U CN 201721924774 U CN201721924774 U CN 201721924774U CN 207624906 U CN207624906 U CN 207624906U
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China
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frequency
array
radiating
low frequency
frequency radiation
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闫少辉
黄伟青
费锦洲
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Comba Telecom Technology Guangzhou Ltd
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Comba Telecom Technology Guangzhou Ltd
Comba Telecom System China Ltd
Comba Telecom Systems Guangzhou Co Ltd
Comba Telecom Systems Tianjin Co Ltd
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Abstract

The utility model provides a kind of narrow beam high-gain multiband aerial array, it includes several high frequency radiating elements and low frequency radiating element, the high frequency radiating element separately constitutes different the first high frequency radiation arrays and the second high frequency radiation array of frequency, the low frequency radiating element separately constitutes different the first low frequency radiation arrays and the second low frequency radiation array of frequency, the second high frequency radiation array and the second low frequency radiation array are arranged along same axis nesting, the first high frequency radiation array is laid close to the second high frequency radiation array parallel, the first low frequency radiation array is laid close to the first high frequency radiation array parallel;Wherein, spacing of the spacing of the low frequency radiating element in the first low frequency radiation array not equal to the low frequency radiating element in the second low frequency radiation array.The utility model is simple in structure, light, has the characteristics of oscillator multiplexing, multifrequency, miniaturization, narrow beam and high-gain, is conducive to Project Realization, saves engineering resource.In addition, the utility model provides a kind of high ferro antenna, above-mentioned narrow beam high-gain multiband aerial array is used.

Description

A kind of narrow beam high-gain multiband aerial array and high ferro antenna
Technical field
The utility model is related to mobile communication field more particularly to a kind of narrow beam high-gain multiband aerial arrays and height Iron antenna.
Background technology
With the development of social economy's high speed, high-speed railway becomes increasingly popular, and the fast development of high-speed railway is to mobile communication New opportunity is brought, but baptism also is proposed to communication system.Due to the influence meeting of multipath effect and Doppler frequency shift So that signal is decayed, the communicating requirement of high quality is not achieved, so in the network coverage, the preferential antenna for selecting high-gain.And by In high ferro running region be long and narrow landform, the wide covering of unsuitable high ferro running region of valve, and gain is more in this way It is small, so Antenna selection narrow beam.As domestic site resource is more and more nervous, operator's selection antenna increasingly tends to small-sized Change (front face area is small, light-weight), the high ferro antenna of multifrequency.So a nesting for meeting current demand is devised, it is narrow The multifrequency high ferro antenna of wave beam, high-gain.
In existing high ferro antenna, antenna volume is bigger than normal, can only realize two kinds of 820HZ-960MHZ and 1710MHZ-2017MHZ Frequency range covers, and low frequency wave misconvergence of beams, influences beside covering.Therefore, in existing technical solution, the covering frequency range of antenna It is not diversified enough, and cannot meet the needs of current antenna miniaturization.
Utility model content
The utility model provides a kind of narrow beam high-gain multiband aerial array.
In a first aspect, the utility model provides a kind of narrow beam high-gain multiband aerial array comprising several high frequencies Radiating element and low frequency radiating element, the high frequency radiating element separately constitute the first different high frequency radiation array of frequency and Two high frequency radiation arrays, the low frequency radiating element separately constitute different the first low frequency radiation arrays and the second low frequency spoke of frequency Array is penetrated, the second high frequency radiation array and the second low frequency radiation array are arranged along same axis nesting, first high frequency Radiating curtain is laid close to the second high frequency radiation array parallel, and the first low frequency radiation array is close to first high frequency The parallel laying of radiating curtain;Wherein, the spacing of the low frequency radiating element in the first low frequency radiation array is not equal to described the The spacing of low frequency radiating element in two low frequency radiation arrays.
Specifically, the working frequency range of the high frequency radiating element is 1710MHz-2017MHz or 2575MHz-2635MHz, The working frequency range of the low frequency radiating element is 820Hz-960MHz.
Specifically, it is characterized in that, the spacing of the low frequency radiating element in the first low frequency radiation array is its high frequency 2.7-2.8 times of working frequency range wavelength.
Preferably, the spacing of the low frequency radiating element in the second low frequency radiation array is its high-frequency work band wavelength 2.5-2.6 times.
Specifically, longitudinal phase in high frequency radiating element in the first high frequency radiation array and the second high frequency radiation array Spacing between adjacent two high frequency radiating elements is 1.2-1.3 times of its high-frequency work band wavelength.
Preferably, the aerial array further includes the reflection for fixing the high frequency radiating element and low frequency radiating element Plate further includes being arranged at the back side of the reflecting plate for connecting the first high frequency radiation array and the second high frequency radiation array In combiner between the laterally adjacent high frequency radiating element.
Preferably, the reflecting plate is equipped with and is fixed in the first high frequency radiation array and the second high frequency radiation array The first load piece among two laterally adjacent high frequency radiating elements, and it is fixed on the longitudinally adjacent high frequency spoke Penetrate the second load piece among unit.
Specifically, the distance between the Radial centrc point of the first load piece and the neighbour high frequency radiating element is 0.5 times of its high-frequency work band wavelength.
Second aspect, the utility model provide a kind of high ferro antenna, use any one in first aspect as described above The narrow beam high-gain multiband aerial array of item.
Specifically, the high ferro antenna further include antenna house, set on the antenna house both ends end cap, be located therein one Connector on end cap, forms closed cavity between the antenna house and described two end caps, the closed cavity houses described narrow Wave beam high-gain multiband aerial array.
Compared with prior art, scheme provided by the utility model has the advantage that:
1, the utility model provides a kind of narrow beam high-gain multiband aerial array comprising several high frequency radiating elements And low frequency radiating element, the high frequency radiating element separately constitute different the first high frequency radiation arrays and the second high frequency spoke of frequency Array is penetrated, the low frequency radiating element separately constitutes different the first low frequency radiation arrays and the second low frequency radiation array of frequency, The second high frequency radiation array and the second low frequency radiation array are arranged along same axis nesting, the first low frequency radiation array Spacing of the spacing of interior low frequency radiating element not equal to the low frequency radiating element in the second low frequency radiation array.This practicality It is novel neatly using away from radiating element, solving the problems, such as low frequency wave beam convergence, reduce to high frequency radiating element between not equal Coupling influence.
2, aerial array described in the utility model further includes being arranged at the back side of the reflecting plate for connecting described first Combiner in high frequency radiation array and the second high frequency radiation array between the laterally adjacent high frequency radiating element.This practicality It is novel that the frequency range of the work of radiating element is divided by two effective working frequency range by micro-strip combiner using combiner 1710MHZ-2017MHZ and 2575MHZ-2635MHZ reduces element number, mitigates weight, increase work to realize that oscillator is multiplexed Make frequency range, realizes the multifrequency of miniaturization.
3, in method described in the utility model, the spacing of the low frequency radiating element in the first low frequency radiation array and institute The spacing for stating the low frequency radiating element in the second low frequency radiation array uses Unequal distance, the placement scheme both to reduce implementation first Influence of the low-frequency vibrator arm to high frequency radiation area in low frequency radiation array, and be that the second high frequency radiation array and second are low Radio-frequency radiation array provides layout basis along the setting of same axis nesting, realizes the miniaturization of antenna volume.
Therefore, aerial array antenna described in the utility model can be operated in 0.9GHz, 1.8GHz, 2.6GHz frequency range, can Realize premises of the high-speed data communication in the every technical parameter for improving antenna of the systems such as TD-LTE/TD-LTE-Advanced Under, the volume of antenna is reduced, and increase working frequency range, realizes the antenna of narrow beam, high-gain, multiband, it is especially suitable Used in the running environment of high ferro.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will Become apparent and is readily appreciated that, wherein:
Fig. 1 is a kind of narrow beam high-gain multiband aerial array structure schematic diagram of the utility model;
Fig. 2 is high frequency radiating element structural schematic diagram described in the utility model embodiment;
Fig. 3 is low frequency radiating element structural schematic diagram described in the utility model embodiment;
Fig. 4 is a kind of high ferro antenna side structure schematic view of the utility model;
Fig. 5 is a kind of high ferro antenna back side vertical view of the utility model;
Fig. 6 is the directional diagram of the radiation field intensity of the low frequency radiating element of the utility model;
Fig. 7 is the directional diagram of the radiation field intensity of the high frequency radiating element of the utility model.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model Limitation.
Referring to FIG. 1, the utility model provides a kind of narrow beam high-gain multiband aerial array comprising several high frequencies Radiating element 111,121 and low frequency radiating element 131,141, the high frequency radiating element 111 form the first high frequency radiation array 11, the high frequency radiating element 121 forms the second high frequency radiation array 12, wherein the first high frequency radiation array 11 and institute The second high frequency radiation array 12 is stated to work together in two different frequency ranges.The low frequency radiating element 131 forms the first low frequency spoke Array 13 is penetrated, the low frequency radiating element 141 forms the second low frequency radiation array 14, wherein the first low frequency radiation array Keep certain spacing, the working frequency range of the two identical between 13 and the second low frequency radiation array 14.Second high frequency Along the nested setting of same axis, the volume to realize the aerial array is small-sized for radiating curtain 12 and the second low frequency radiation array 14 Change, while the high frequency radiating element 111,121 and the radiation of low frequency radiating element 131,141 can be made to be superimposed two-by-two, it is real Existing narrow beam.
Further, the first high frequency radiation array 11 is close to the 12 parallel laying of the second high frequency radiation array, institute The first low frequency radiation array 13 is stated close to the 11 parallel laying of the first high frequency radiation array;Wherein, first low frequency radiation The spacing of low frequency radiating element 131 in array 13 is not equal to the low frequency radiating element in the second low frequency radiation array 14 141 spacing, the utility model neatly use the first low frequency radiation array 13 in low frequency radiating element 131 with it is described The not equidistant placement scheme of low frequency radiating element 141 in second low frequency radiation array 14, solves low frequency wave beam convergence and asks Topic, reduces the coupling influence to high frequency radiating element.
Preferably, the working frequency range of the high frequency radiating element 111 and 121 is 1710MHz-2017MHz or 2575MHz- The working frequency range of 2635MHz, the low frequency radiating element 131 and 141 are 820Hz-960MHz, described in the utility model to realize The multiband characteristic of aerial array.Further, the spacing of the low frequency radiating element 131 in the first low frequency radiation array 13 It is 2.7-2.8 times of its high-frequency work band wavelength.Between low frequency radiating element 141 in the second low frequency radiation array 14 Away from 2.5-2.6 times for its high-frequency work band wavelength.The first high frequency radiation array 11 and the second high frequency radiation array 12 Spacing in interior high frequency radiating element 111 and 121 between longitudinally adjacent two high frequency radiating elements is its high-frequency work 1.2-1.3 times of band wavelength.By using above-mentioned spacing, beam angle better astringency can be made.The utility model is implemented In example, the second high frequency radiation array 12 arranges setting nested along same axis with the second low frequency radiation battle array 122, realizes antenna Miniaturization, while the first high frequency radiation array 11 and the first low frequency radiation array 13 using being arranged shoulder to shoulder, real The radiation of existing two row radiating elements is superimposed two-by-two, to realize narrow beam, has been accordingly increased radiating element quantity, has been improved increasing Benefit.
Further, the narrow beam high-gain multiband aerial array 1 further includes for fixing the high frequency radiation list The reflecting plate 13 of member 111 and 121 and the low frequency radiating element 131 and 141, further includes being arranged at the back side of the reflecting plate 13 For connecting the high frequency radiation list laterally adjacent in the first high frequency radiation array 11 and the second high frequency radiation array 12 Combiner 16 between member 111 and 121.Specifically, the utility model uses PCB combiners, by the radiating element 11 and The frequency range of 12 work is divided into two effective working frequency range 1710MHZ-2017MHZ and 2575MHZ- by micro-strip combiner 2635MHZ reduces element number (i.e. radiating element number) to realize that oscillator is multiplexed, and mitigates weight, realization multiband and small The characteristic of type.The reflecting plate 13 is equipped with and is fixed on the first high frequency radiation array 11 and the second high frequency radiation array 12 In the first load piece 151 among two laterally adjacent high frequency radiating elements 111 and 121, and be fixed on longitudinal phase The second load piece 152 between the adjacent high frequency radiating element 111 and 111 or between the high frequency radiating element 121 and 121 Using the radiation boundary as the high frequency radiating element 111 and 121.The first load piece 151 and the neighbour high frequency spoke It penetrates 0.5 times that the distance between Radial centrc point of unit 111 is its high-frequency work band wavelength and radiates boundary to limit.
2 and Fig. 3 is please referred to, Fig. 2 shows the high frequency radiating elements 111 or 121 in the utility model embodiment to bow Depending on schematic diagram.Fig. 3 shows the low frequency radiating element 131 or 141 schematic top plan views in the utility model embodiment.Such as figure Shown in 2, shown high frequency radiating element 111 and 121 is to add the engraved structure of davit by four symmetric radiation faces.Low frequency shown in Fig. 3 Radio-frequency radiation unit 131 and 141 is by four symmetric arms, and the bowl structure of feedback.
It please refers to Fig.4 and Fig. 5, the utility model provides a kind of high ferro antenna 2, wherein Fig. 4 shows the utility model institute State the side structure schematic view of high ferro antenna 2.Fig. 5 shows the vertical view at the back side of high ferro antenna 2 described in the utility model.Institute It states high ferro antenna 2 and uses narrow beam high-gain multiband aerial array 1 as described above.
Further, the high ferro antenna 2 further include antenna house 21, set on 21 both ends of the antenna house end cap 211 and 212, the connector 221 being located therein on an end cap 212, forms between the antenna house 21 and described two end caps 211 and 212 Closed cavity 22, the closed cavity 22 house the narrow beam high-gain multiband aerial array 1.
Specifically, respectively there are one end caps 211 and 212 at the antenna house 21 both ends, wherein having on an end cap 211 Anchor tip 221, referred to as bottom end cover, end cap 212 described in other end are known as upper end cover.Upper and lower end cap 211 and 212 and the antenna The confined space 22 is formed between cover 21, in the confined space 22 from top to bottom to be arranged in order the low frequency radiating element 131 and 141, the high frequency radiating element 111 and 121, the first load piece 151 and the second load piece 152, described Reflecting plate 13, the combiner 16, in addition the high ferro antenna further include power splitter 24 and 25 (not shown) of CA cable assembly and Mounting plate 23, the most mounting plate 23 are placed in 21 outside of the antenna house, pass through the antenna house 21, are fixed on the reflecting plate On 13.
With continued reference to FIG. 1, in a kind of embodiment, between the high frequency radiating element 111 and high frequency radiating element 121 it Spacing is 1.25 times of operation wavelength, is fixed on 1.1 times of operation wavelength arrangement between the two row high frequency radiating element arrays The reflecting plate 13, the spacing described in the first low frequency radiation array 13 between low frequency radiating element 131 and 141 are 2.5 Operation wavelength again setting nested with the second high frequency radiating element array 112, the second low frequency radiation array 14 use Spacing between low frequency radiating element described in the first low frequency radiation array 13 is unequal, the operating wave that spacing is 2.7 times The reflecting plate 13 is fixed in long array, and the first load piece 151 and the second load piece 152 are arranged in away from the height Radio-frequency radiation unit 111 and 121 half operating wave strong points, are fixed on the reflecting plate using the boundary as high frequency radiation area 13;The power splitter 24, the combiner 16 are fixed on the back side of the reflecting plate 13, in succession cable, pass through the length of cable It assigns certain width and mutually realizes electrical down-tilting.
Fig. 6 and Fig. 7 is please referred to, Fig. 6 shows the low-frequency range actual measurement antenna radiation pattern of the utility model.Fig. 7 shows this The high band of utility model surveys antenna radiation pattern.By being utilized in figure it can be seen from Fig. 6 and Fig. 7 described in rectangular coordinate system drafting The spatial characteristics of the radiation field intensity of low frequency radiation array and the high frequency radiation array.Fig. 6 shows low frequency radiation list The radiation field intensity and the relationship of space angle and the width of main lobe of member show the radiation field intensity of high frequency radiating element in Fig. 7 With the relationship of space angle and the width of main lobe.
Based on the above embodiments it is found that the maximum advantageous effect of the utility model is, one kind provided by the utility model Narrow beam high-gain multiband aerial array, wherein in the first low frequency radiation array and the second low frequency radiation array Spacing use between the low frequency radiating element is not equidistant, in a kind of embodiment, in the first low frequency radiation array Spacing uses 2.7 times of high-frequency work wavelength between the low frequency radiating element, described in the second low frequency radiation array Spacing uses 2.5 times of high-frequency work wavelength, in this way layout both to reduce first low frequency radiation between low frequency radiating element Influence of the low-frequency vibrator arm to high frequency region in cell array, and be the basis that nested scheme provides, realize the small-sized of antenna size Change.
Secondly, the utility model is used for power distribution using power splitter, by the power distribution of radiating element at radiation characteristic Best unequal power, in addition, the frequency range of the work of oscillator is divided by the utility model using combiner by micro-strip combiner Two effective working frequency range 1710MHZ-2017MHZ and 2575MHZ-2635MHZ reduce oscillator to realize that oscillator is multiplexed Number mitigates increment, increases working frequency range, realizes the multifrequency of miniaturization.
In addition, this programme layout is to increase 65 degree of common gain antenna Optimal improvements at 32 ° of the high of narrow beam with design The multifrequency antenna of benefit, same use ± 45 ° polarization mode.
Therefore, 820HZ-960MHZ, 1710MHZ- may be implemented under the premise of small size, low cost in this programme The TD-LTE high ferro network coverages of the frequency range of 2017MHZ and 2575MHZ-2635MHZ.It is provided by the utility model a kind of using institute 0.9GHz, 1.8GHz can be operated in by stating the antenna of narrow beam high-gain multiband aerial array, and 2.6GHz frequency ranges can be realized The high-speed data communication of the systems such as TD-LTE/TD-LTE-Advanced improve antenna every technical parameter under the premise of, Reduce the volume of antenna, and increase working frequency range, realize narrow beam, high-gain multifrequency high ferro antenna.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of narrow beam high-gain multiband aerial array comprising several high frequency radiating elements and low frequency radiating element, It is characterized in that, the high frequency radiating element separately constitutes the first different high frequency radiation array of frequency and the second high frequency radiation battle array Row, the low frequency radiating element separately constitute the first low frequency radiation array and the second low frequency radiation array, the second high frequency spoke It penetrates array and the second low frequency radiation array is arranged along same axis nesting, the first high frequency radiation array is high close to described second Radio-frequency radiation array parallel is laid, and the first low frequency radiation array is laid close to the first high frequency radiation array parallel;Wherein, The spacing of low frequency radiating element in the first low frequency radiation array is not equal to the low frequency in the second low frequency radiation array The spacing of radiating element.
2. narrow beam high-gain multiband aerial array according to claim 1, which is characterized in that the high frequency radiation list The working frequency range of member is 1710MHz-2017MHz or 2575MHz-2635MHz, and the working frequency range of the low frequency radiating element is 820Hz-960MHz。
3. narrow beam high-gain multiband aerial array according to claim 1, which is characterized in that the first low frequency spoke The spacing for penetrating the low frequency radiating element in array is 2.7-2.8 times of its high-frequency work band wavelength.
4. narrow beam high-gain multiband aerial array according to claim 3, which is characterized in that the second low frequency spoke The spacing for penetrating the low frequency radiating element in array is 2.5-2.6 times of its high-frequency work band wavelength.
5. narrow beam high-gain multiband aerial array according to claim 1, which is characterized in that the first high frequency spoke It penetrates in the high frequency radiating element in array and the second high frequency radiation array between longitudinally adjacent two high frequency radiating elements Spacing is 1.2-1.3 times of its high-frequency work band wavelength.
6. narrow beam high-gain multiband aerial array according to claim 1, which is characterized in that the aerial array is also Include the reflecting plate for fixing the high frequency radiating element and low frequency radiating element, further includes the back of the body being arranged in the reflecting plate Face is for connecting the high frequency radiating element laterally adjacent in the first high frequency radiation array and the second high frequency radiation array Between combiner.
7. narrow beam high-gain multiband aerial array according to claim 6, which is characterized in that set on the reflecting plate Have and is fixed on two laterally adjacent high frequency radiation lists in the first high frequency radiation array and the second high frequency radiation array First the first intermediate load piece, and it is fixed on the second load piece among the longitudinally adjacent high frequency radiating element.
8. narrow beam high-gain multiband aerial array according to claim 7, which is characterized in that the first load piece The distance between neighbour Radial centrc point of the high frequency radiating element is 0.5 times of its high-frequency work band wavelength.
9. a kind of high ferro antenna, which is characterized in that it uses the narrow beam high-gain multifrequency such as claim 1~8 any one Section aerial array.
10. high ferro antenna as claimed in claim 9, which is characterized in that the high ferro antenna further includes antenna house, set on described The end cap at antenna house both ends, the connector being located therein on an end cap, form close between the antenna house and described two end caps Cavity is closed, the closed cavity houses the narrow beam high-gain multiband aerial array.
CN201721924774.9U 2017-12-28 2017-12-28 A kind of narrow beam high-gain multiband aerial array and high ferro antenna Active CN207624906U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109755759A (en) * 2019-01-04 2019-05-14 武汉虹信通信技术有限责任公司 A kind of multifrequency narrow beam antenna array and antenna
CN110808467A (en) * 2019-11-26 2020-02-18 武汉虹信通信技术有限责任公司 Multi-frequency fusion antenna array
CN110943295A (en) * 2019-11-25 2020-03-31 武汉虹信通信技术有限责任公司 Multi-beam antenna array, base station antenna and antenna array decoupling method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109755759A (en) * 2019-01-04 2019-05-14 武汉虹信通信技术有限责任公司 A kind of multifrequency narrow beam antenna array and antenna
CN109755759B (en) * 2019-01-04 2020-09-04 武汉虹信通信技术有限责任公司 Multi-frequency narrow-beam antenna array and antenna
CN110943295A (en) * 2019-11-25 2020-03-31 武汉虹信通信技术有限责任公司 Multi-beam antenna array, base station antenna and antenna array decoupling method
CN110943295B (en) * 2019-11-25 2021-08-03 中信科移动通信技术股份有限公司 Multi-beam antenna array, base station antenna and antenna array decoupling method
CN110808467A (en) * 2019-11-26 2020-02-18 武汉虹信通信技术有限责任公司 Multi-frequency fusion antenna array

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Effective date of registration: 20200219

Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong

Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd.

Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10

Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd.

Patentee before: Comba Telecom System (China) Ltd.

Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd.

Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd.