CN203218459U - Multi-frequency-band wide-band dual-polarization LTE (long term evolution) omnidirectional antenna - Google Patents
Multi-frequency-band wide-band dual-polarization LTE (long term evolution) omnidirectional antenna Download PDFInfo
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- CN203218459U CN203218459U CN 201320237722 CN201320237722U CN203218459U CN 203218459 U CN203218459 U CN 203218459U CN 201320237722 CN201320237722 CN 201320237722 CN 201320237722 U CN201320237722 U CN 201320237722U CN 203218459 U CN203218459 U CN 203218459U
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Abstract
The utility model relates to an omnidirectional antenna in a communication system and especially relates to a multi-frequency-band wide-band dual-polarization LTE (long term evolution) omnidirectional antenna. The multi-frequency-band wide-band dual-polarization LTE omnidirectional antenna comprises a passive power point filter, horizontal polarized low-frequency oscillator units and a horizontal polarized high frequency unit. There are at least three horizontal polarized low-frequency oscillator units. The horizontal polarized low-frequency oscillator units and the horizontal polarized high frequency unit are connected with the passive power point filter through a unit feed coaxial cable. Depending on a combined road characteristic and a filtering characteristic of the passive power point filter, a directional diagram superposition synthesis technology of multi-frequency combination combining is used to integrate signals of the horizontal polarized low-frequency oscillator units and the horizontal polarized high frequency unit. A horizontal polarized full-band unit function is realized. Full-band coverage of the horizontal polarization is realized. A data throughput capability is large. A frequency coverage requirement of a fourth-generation mobile communication standard 4G LTE can be satisfied. Multiple-input-multiple-output data receiving and emission can be realized.
Description
Technical field
The utility model relates to a kind of omnidirectional antenna of communication system, relates in particular to a kind of multiband band dual polarization LTE omnidirectional antenna.
Background technology
Owing to informationalized develop rapidly, mobile terminal Internet access is more and more universal in recent years.According to statistics, the whole nation has 600,000,000 user to use network by mobile terminal to browse approximately, and China has become the maximum country of global mobile terminal Internet access user.
Because the terminal Internet user's of China Mobile rapid growth, the network data transmission amount increases severely, and the network carrying ability of operator can't bear the heavy load.Wherein, most mobile phone users are by indoor access network, and the data throughput capabilities of indoor distributed system is the problem of a key, but obviously can't meet the demands with the single polarization indoor distributed system antenna of arranging net now.
Next generation mobile communication licence plate 4G LTE(Long Term Evolution) estimate about 2013 years, to be handed down to each operator, and each operator also hopes and can utilize the LTE spectral bandwidth to go to solve the problem of network carrying scarce capacity now.And the frequency range of domestic aerial can only satisfy the frequency requirement of 3G (Third Generation) Moblie standard now, and the frequency that can't satisfy the 4th third-generation mobile communication standard 4G LTE covers requirement, and the single antenna data that can't satisfy multiple-input and multiple-output receive and emission now.
The utility model content
The purpose of this utility model is to provide a kind of data throughput capabilities big, and the frequency that can satisfy the 4th third-generation mobile communication standard 4G LTE covers requirement, can realize that the data of multiple-input and multiple-output receive and a kind of multiband band dual polarization LTE omnidirectional antenna of launching.
The utility model is realized by the following technical solutions.
A kind of multiband band dual polarization LTE omnidirectional antenna comprises: passive merit filter-divider, horizontal polarization low frequency oscillator unit, horizontal polarization high frequency unit; Horizontal polarization low frequency oscillator unit is at least 3, and horizontal polarization low frequency oscillator unit, horizontal polarization high frequency unit are connected with passive merit filter-divider by unit feed coaxial cable.
Wherein, also comprise: perpendicular polarization element antenna, perpendicular polarization element antenna comprise sheet gradual change type monopole.The perpendicular polarization element antenna is connected with second standard, 50 Ω interfaces by the second port unit feed coaxial cable.
Wherein, the horizontal polarization high frequency unit is specially: horizontal polarization high frequency integral type unit; The perpendicular polarization element antenna is positioned at the top of horizontal polarization high frequency integral type unit.
Sheet gradual change type monopole is with the metal covering of horizontal polarization high frequency integral type unit the earth and the reflecting surface as the perpendicular polarization element antenna, to obtain the uniform electric field effect.
Passive merit filter-divider comprises: the passive filter of the passive power splitter of 698～960MHz and 698～2700MHz.The port of passive power splitter is connected with the low frequency port of passive filter by microstrip line.
Wherein, also comprise: plastic bottom board; Plastic bottom board top arranges 5 horizontal polarization low frequency oscillator unit; Passive merit filter-divider arranges A1, A2, A3, A4, A5, A6 port, and 5 horizontal polarization low frequency oscillator unit are connected with A1, A2, A3, A4, A5 port respectively by 5 isometric unit feed coaxial cables; Rely on the structural arrangement that the road characteristic is formed 5 horizontal polarization low frequency cell horizontal polarization low-frequency antenna battle array of closing of passive power splitter.Horizontal polarization high frequency integral type unit is connected with the A6 port by unit feed coaxial cable.Horizontal polarization low frequency oscillator unit, horizontal polarization high frequency integral type unit adopt directional diagram stack synthetic technology to realize horizontal polarization full frequency band unit by passive merit filter-divider.
A1, A2, A3, A4, A5, A6 port are the port that does not wait merit to divide, and the centre frequency of horizontal polarization low frequency oscillator unit is 1/2 λ.5 horizontal polarization low frequency oscillator unit circumferentially evenly distributing at plastic bottom board.
Passive merit filter-divider arranges the A7 port, and the A7 port is connected with first standard, 50 Ω interfaces by the first port unit feed coaxial cable.
The beneficial effects of the utility model are: a kind of multiband band dual polarization LTE omnidirectional antenna comprises: passive merit filter-divider, horizontal polarization low frequency oscillator unit, horizontal polarization high frequency unit; Horizontal polarization low frequency oscillator unit is at least 3, and horizontal polarization low frequency oscillator unit, horizontal polarization high frequency unit are connected with passive merit filter-divider by unit feed coaxial cable.What rely on passive merit filter-divider closes road characteristic and filtering characteristic, adopt multifrequency to close the directional diagram stack synthetic technology integrative levels polarization low frequency oscillator unit on road, the signal of horizontal polarization high frequency unit, realize the function of horizontal polarization full frequency band unit, constitute the horizontal polarization terminal port antennae of multiband band dual polarization LTE omnidirectional antenna, realize that the full frequency band of horizontal polarization covers.Data throughput capabilities is big, and the frequency that can satisfy the 4th third-generation mobile communication standard 4G LTE covers requirement, can realize that the data of multiple-input and multiple-output receive and emission.
Description of drawings
For clearer, effectively the technical scheme of the utility model embodiment is described, the accompanying drawing of required use among the embodiment is done simple the introduction, self-explantoryly be, accompanying drawing in describing below only is embodiment more of the present utility model, for those skilled in the art, need not to pay under the prerequisite of creative work, can also make other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Fig. 2 is that 5 horizontal polarization low frequency oscillator unit of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna are connected vertical view with passive merit filter-divider port.
Fig. 3 is the upward view of the horizontal polarization high frequency integral type unit of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Fig. 4 is the vertical view of the horizontal polarization high frequency integral type unit of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Fig. 5 is the upward view of the perpendicular polarization element antenna of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Fig. 6 is the vertical view of the perpendicular polarization element antenna of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Fig. 7 is that a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna is when the horizontal polarization frequency is F=880MHz, in the actual test result of large-scale indoor microwave dark room.
Fig. 8 is that a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna is when the horizontal polarization frequency is F=2200MHz, in the actual test result of large-scale indoor microwave dark room.
Fig. 9 is the perpendicular polarization port polarizing voltage standing-wave ratio of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Figure 10 is the horizontal polarization port polarizing voltage standing-wave ratio of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Figure 11 is the isolation degree test result of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.
Among the figure:
The passive merit filter-divider of 1-; 2-unit feed coaxial cable; 4-horizontal polarization low frequency oscillator unit; The 5-plastic bottom board; The 71-first port feed coaxial cable; The 72-second port feed coaxial cable; 101-first standard 50 Ω interfaces; 102-second standard 50 Ω interfaces; 13-perpendicular polarization element antenna; 24-horizontal polarization high frequency integral type unit.
Embodiment
The utility model provides a kind of multiband band dual polarization LTE omnidirectional antenna, those of skill in the art are clearer to understand the utility model scheme in order to make, and make the above-mentioned purpose of the utility model, feature, beneficial effect can understand more, understandable, below in conjunction with accompanying drawing 1～11 and embodiment the utility model is described in further detail.
Embodiment one
A kind of multiband band dual polarization LTE omnidirectional antenna comprises: passive merit filter-divider 1, horizontal polarization low frequency oscillator unit 4, horizontal polarization high frequency unit; Horizontal polarization low frequency oscillator unit 4 is at least 3, and horizontal polarization low frequency oscillator unit 4, horizontal polarization high frequency unit are connected with passive merit filter-divider 1 by unit feed coaxial cable 2.
What rely on passive merit filter-divider 1 closes road characteristic and filtering characteristic, adopt multifrequency to close the directional diagram stack synthetic technology integrative levels polarization low frequency oscillator unit 4 on road, the signal of horizontal polarization high frequency unit, realize the function of horizontal polarization full frequency band unit, constitute the horizontal polarization terminal port antennae of multiband band dual polarization LTE omnidirectional antenna, realize that the full frequency band of horizontal polarization covers.
Embodiment two
A kind of multiband band dual polarization LTE omnidirectional antenna comprises: passive merit filter-divider 1, horizontal polarization low frequency oscillator unit 4, horizontal polarization high frequency unit; Horizontal polarization low frequency oscillator unit 4 is at least 3, and horizontal polarization low frequency oscillator unit 4, horizontal polarization high frequency unit are connected with passive merit filter-divider 1 by unit feed coaxial cable 2.
In the present embodiment, also comprise: perpendicular polarization element antenna 13, perpendicular polarization element antenna 13 comprise sheet gradual change type monopole, and sheet gradual change type monopole can be in the transmitting-receiving of carrying out the perpendicular polarization signal to greatest extent.Perpendicular polarization element antenna 13 is connected with second standard, 50 Ω interfaces 102 by the second port unit feed coaxial cable 72.
Horizontal polarization high frequency integral type unit 24, perpendicular polarization element antenna 13 are positioned at the top of horizontal polarization high frequency integral type unit 24.Sheet gradual change type monopole can obtain uniform field effect with the metal covering of horizontal polarization high frequency integral type unit 24 the earth and the reflecting surface as perpendicular polarization element antenna 13.
Passive merit filter-divider 1 arranges the A7 port, and the A7 port is connected with first standard, 50 Ω interfaces 101 by the first port unit feed coaxial cable 71.
What rely on passive merit filter-divider 1 closes road characteristic and filtering characteristic, adopt multifrequency to close the directional diagram stack synthetic technology integrative levels polarization low frequency oscillator unit 4 on road, the signal of horizontal polarization high frequency unit, realize the function of horizontal polarization full frequency band unit, constitute the horizontal polarization terminal port antennae of multiband band dual polarization LTE omnidirectional antenna, realize that the full frequency band of horizontal polarization covers.The maximum magnitude frequency range that relies on sheet gradual change type monopole to obtain perpendicular polarization covers.The full frequency band of horizontal polarization covers and the maximum magnitude frequency range covering of perpendicular polarization makes omnidirectional antenna can accomplish the multiple-input and multiple-output of data, accomplish that data receive and the omnidirectional radiation effect of launching, data throughput capabilities is big, and the frequency that can satisfy the 4th third-generation mobile communication standard 4G LTE covers requirement.
Embodiment three
A kind of multiband band dual polarization LTE omnidirectional antenna comprises: passive merit filter-divider 1, horizontal polarization low frequency oscillator unit 4, horizontal polarization high frequency unit; Horizontal polarization low frequency oscillator unit 4 is at least 3, and horizontal polarization low frequency oscillator unit 4, horizontal polarization high frequency unit are connected with passive merit filter-divider 1 by unit feed coaxial cable 2.
In the present embodiment, also comprise: perpendicular polarization element antenna 13, perpendicular polarization element antenna 13 comprise sheet gradual change type monopole, and sheet gradual change type monopole can be in the transmitting-receiving of carrying out the perpendicular polarization signal to greatest extent.Perpendicular polarization element antenna 13 is connected with second standard, 50 Ω interfaces 102 by the second port unit feed coaxial cable 72.
Horizontal polarization high frequency integral type unit 24, perpendicular polarization element antenna 13 are positioned at the top of horizontal polarization high frequency integral type unit 24.Sheet gradual change type monopole can obtain uniform field effect with the metal covering of horizontal polarization high frequency integral type unit 24 the earth and the reflecting surface as perpendicular polarization element antenna 13.The maximum magnitude frequency range that sheet gradual change type monopole obtains perpendicular polarization covers.
Passive merit filter-divider 1 comprises: the passive filter of the passive power splitter of 698～960MHz and 698～2700MHz.The port of passive power splitter is connected with the low frequency port of passive filter by microstrip line.
In the present embodiment, also comprise: plastic bottom board 5; Plastic bottom board 5 tops arrange 5 horizontal polarization low frequency oscillator unit 4.Passive merit filter-divider 1 arranges A1, A2, A3, A4, A5, A6 port, 5 horizontal polarization low frequency oscillator unit 4 are connected with A1, A2, A3, A4, A5 port respectively by 5 isometric unit feed coaxial cables 2, form the structural arrangement of horizontal polarization low-frequency antenna battle array.Horizontal polarization high frequency integral type unit 24 is connected with the A6 port by unit feed coaxial cable 2.The centre frequency of horizontal polarization low frequency oscillator unit 4 is 1/2 λ.
5 horizontal polarization low frequency oscillator unit 4 circumferentially evenly distributing at plastic bottom board 5.
Passive merit filter-divider 1 arranges the A7 port, and the A7 port is connected with first standard, 50 Ω interfaces 101 by the first port unit feed coaxial cable 71.
What rely on passive power splitter closes the road characteristic 4 groups of battle arrays of 5 horizontal polarization low frequency cell, filter effect by passive filter filters clutter again, adopt directional diagram stack synthetic technology, realize that horizontal polarization high frequency integral type unit 24 and 4 combinations of horizontal polarization low frequency oscillator unit realize horizontal polarization full frequency band unit, constitute the horizontal polarization terminal port antennae of multiband band dual polarization LTE omnidirectional antenna.This technology is also referred to as the directional diagram stack synthetic technology that multifrequency is closed the road.
The full frequency band of horizontal polarization covers and the maximum magnitude frequency range covering of perpendicular polarization makes omnidirectional antenna can accomplish the multiple-input and multiple-output of data, accomplish that data receive and the omnidirectional radiation effect of launching, data throughput capabilities is big, and the frequency that can satisfy the 4th third-generation mobile communication standard 4G LTE covers requirement.Can satisfy now single-polarized antenna can't satisfy multiple-input and multiple-output (Multiple-Input Multiple-Out-put, data MIMO) receive and emission, realize the technical characterictic of MIMO antenna, and obtain omni-directional pattern effect preferably.
The utility model examples of implementation are that the key technical indexes of 5 horizontal polarization low frequency cell group battle arrays is as follows:
Frequency range: 2 * (698～960/1710～2700MHz); Gain dBi: perpendicular polarization 2/5, horizontal polarization 2/5; Deviation in roundness value-dB: ± 2.5; Isolation-dB: 〉=25; Voltage standing wave ratio: perpendicular polarization≤1.5, horizontal polarization≤2.0; Polarization mode: perpendicular polarization, horizontal polarization.
Perpendicular polarization element antenna 13 is connected with second standard, 50 Ω interfaces 102 by the second port unit feed coaxial cable 72.
Fig. 7 is that a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna is when the horizontal polarization frequency is F=880MHz, in the actual test result of large-scale indoor microwave dark room.The test result that shows from Fig. 7 as can be known, this antenna is that the 360 degree antenna pattern circularities of F=880MHz can reach preferably ± 2.5dB in frequency, 85 ° of vertical plane half-power beam widths, directional diagram has certain tilt angled down, satisfies the installation requirement of indoor cover antenna.
Fig. 8 is that a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna is when the horizontal polarization frequency is F=2200MHz, in the actual test result of large-scale indoor microwave dark room.The test result that shows from Fig. 7 as can be known, this antenna is that the 360 degree antenna pattern circularities of F=2200MHz can reach preferably ± 2.5dB in frequency, 65 ° of vertical plane half-power beam widths, directional diagram has certain tilt angled down, satisfies the installation requirement of indoor cover antenna.
Fig. 9 is the perpendicular polarization port polarizing voltage standing-wave ratio of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.As can be seen from Figure 9 perpendicular polarization port polarizing voltage standing-wave ratio has obtained good effect.Figure 10 is the horizontal polarization port polarizing voltage standing-wave ratio of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.As can be seen from Figure 10, horizontal polarization port polarizing voltage standing-wave ratio has obtained good effect.Figure 11 is the isolation degree test result of a kind of multiband band dual polarization of the utility model LTE omnidirectional antenna.As can be seen from Figure 11, isolation has obtained good effect.In conjunction with Fig. 9-11 as can be known, the voltage standing wave ratio of vertical polarized antenna and horizontally-polarized antenna satisfies≤1.5 and≤2.0 index request respectively; Isolation is with frequency heteropoleization 〉=25dB.
The multiband band dual polarization LTE omnidirectional antenna that provides of the present utility model, the size of parts such as perpendicular polarization element antenna 13, horizontal polarization low frequency oscillator unit 4, horizontal polarization high frequency integral type unit 24 and parameter are that the computer modeling technique optimal design through the advanced person forms, radiation effect is better, coverage is wider, and the data bearing capacity is stronger.
The multiband band dual polarization LTE omnidirectional antenna that provides of the present utility model, is realized broadband operation easily at novel structure, and the dual-port multiple-input and multiple-output receives and transmits; Can satisfy the requirement of the indoor covering frequence of the 4th third-generation mobile communication standard 4G LTE.Can solve now operator's needed antenna requirements of arranging net, reach the performance need of the big data bearing capacity of indoor covering.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within the protection range of the present utility model.
Claims (10)
1. a multiband band dual polarization LTE omnidirectional antenna is characterized in that, comprising: passive merit filter-divider (1), horizontal polarization low frequency oscillator unit (4), horizontal polarization high frequency unit; Described horizontal polarization low frequency oscillator unit (4) is at least 3, and described horizontal polarization low frequency oscillator unit (4), horizontal polarization high frequency unit are connected with passive merit filter-divider (1) by unit feed coaxial cable (2).
2. a kind of multiband band dual polarization LTE omnidirectional antenna according to claim 1 is characterized in that, also comprises: perpendicular polarization element antenna (13); Described perpendicular polarization element antenna (13) comprises sheet gradual change type monopole.
3. as a kind of multiband band dual polarization LTE omnidirectional antenna as described in the claim 2, it is characterized in that described perpendicular polarization element antenna (13) is connected with second standard, 50 Ω interfaces (102) by the second port unit feed coaxial cable (72).
4. as a kind of multiband band dual polarization LTE omnidirectional antenna as described in the claim 3, it is characterized in that, described horizontal polarization high frequency unit is specially: horizontal polarization high frequency integral type unit (24), described perpendicular polarization element antenna (13) is positioned at the top of horizontal polarization high frequency integral type unit (24).
5. as a kind of multiband band dual polarization LTE omnidirectional antenna as described in the claim 4, it is characterized in that described sheet gradual change type monopole is made the earth/reflecting surface of described perpendicular polarization element antenna (13) with the metal covering of horizontal polarization high frequency integral type unit (24).
6. a kind of multiband band dual polarization LTE omnidirectional antenna according to claim 1 is characterized in that described passive merit filter-divider (1) comprising: the passive filter of the passive power splitter of 698～960MHz and 698～2700MHz.
7. as a kind of multiband band dual polarization LTE omnidirectional antenna as described in the claim 6, it is characterized in that the port of described passive power splitter is connected with the low frequency port of passive filter by microstrip line.
8. a kind of multiband band dual polarization LTE omnidirectional antenna according to claim 1 is characterized in that, also comprises: plastic bottom board (5); Described plastic bottom board (5) top arranges 5 horizontal polarization low frequency oscillator unit (4); Described passive merit filter-divider (1) arranges A1, A2, A3, A4, A5, A6 port, and described 5 horizontal polarization low frequency oscillator unit (4) are connected with A1, A2, A3, A4, A5 port respectively by 5 isometric unit feed coaxial cables (2); Described horizontal polarization high frequency integral type unit (24) is connected with the A6 port by unit feed coaxial cable (2); The centre frequency of described horizontal polarization low frequency oscillator unit (4) is 1/2 λ.
9. as a kind of multiband band dual polarization LTE omnidirectional antenna as described in the claim 8, it is characterized in that 5 horizontal polarization low frequency oscillator unit (4) circumferentially evenly distribute plastic bottom board (5).
10. as a kind of multiband band dual polarization LTE omnidirectional antenna as described in the claim 9, it is characterized in that, described passive merit filter-divider (1) arranges the A7 port, and the A7 port is connected with first standard, 50 Ω interfaces (101) by the first port unit feed coaxial cable (71).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320237722 CN203218459U (en) | 2013-05-03 | 2013-05-03 | Multi-frequency-band wide-band dual-polarization LTE (long term evolution) omnidirectional antenna |
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| CN 201320237722 CN203218459U (en) | 2013-05-03 | 2013-05-03 | Multi-frequency-band wide-band dual-polarization LTE (long term evolution) omnidirectional antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247868A (en) * | 2013-05-03 | 2013-08-14 | 佛山市健博通电讯实业有限公司 | Multi-band broadband dual-polarization LTE omnidirectional antenna |
| CN106856258A (en) * | 2015-12-09 | 2017-06-16 | 芬兰脉冲公司 | Broadband omnirange dual polarized antenna equipment and its manufacture and application method |
| CN108183322A (en) * | 2017-12-28 | 2018-06-19 | 东莞市仁丰电子科技有限公司 | A kind of multiband three-in-one antenna |
-
2013
- 2013-05-03 CN CN 201320237722 patent/CN203218459U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247868A (en) * | 2013-05-03 | 2013-08-14 | 佛山市健博通电讯实业有限公司 | Multi-band broadband dual-polarization LTE omnidirectional antenna |
| CN103247868B (en) * | 2013-05-03 | 2015-09-23 | 广东健博通科技股份有限公司 | A kind of multi-band broadband dual-polarization LTE omnidirectional antenna |
| CN106856258A (en) * | 2015-12-09 | 2017-06-16 | 芬兰脉冲公司 | Broadband omnirange dual polarized antenna equipment and its manufacture and application method |
| CN108183322A (en) * | 2017-12-28 | 2018-06-19 | 东莞市仁丰电子科技有限公司 | A kind of multiband three-in-one antenna |
| CN108183322B (en) * | 2017-12-28 | 2024-02-06 | 东莞市仁丰电子科技有限公司 | Multiband three-in-one antenna |
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Owner name: GUANGDONG KENBOTONG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JIANBOTONG TELECOMMUNICATION INDUSTRIAL CO., LTD., FOSHAN CITY |
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Address after: 528031, Foshan City, Guangdong province Ji Hua Road West Chan Road, No. 2 Health Science Park Broadcom Patentee after: Guangdong Science and Technology Co., Ltd. of strong Botong Address before: 528031, Foshan City, Guangdong province Ji Hua Road West Chan Road, No. 2 Health Science Park Broadcom Patentee before: Jianbotong Telecommunication Industrial Co., Ltd., Foshan City |
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