CN218549908U - L-band dual-channel transceiver device - Google Patents
L-band dual-channel transceiver device Download PDFInfo
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- CN218549908U CN218549908U CN202120778655.7U CN202120778655U CN218549908U CN 218549908 U CN218549908 U CN 218549908U CN 202120778655 U CN202120778655 U CN 202120778655U CN 218549908 U CN218549908 U CN 218549908U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model discloses a L wave band binary channels transceiver device, include: the system comprises a J30J connector, an SMP (symmetric multi-processing) radio frequency connector, a radio frequency transceiving component, a signal processing module, a power supply module and a front panel; the signal processing module is respectively and electrically connected with the SMP radio frequency connector and the radio frequency transceiving component, the J30J connector and the power supply module are both connected with the radio frequency transceiving component, and the front panel is electrically connected with the J30J connector. The utility model solves the problems of small formation quantity and low communication frequency of the traditional unmanned aerial vehicle; can regard as the communication module in the unmanned aerial vehicle bee colony system, can effectively improve unmanned aerial vehicle formation quantity, practice thrift the cost, reduce the volume, weight reduction.
Description
Technical Field
The utility model relates to a small-size unmanned aerial vehicle bee colony communication technology field, concretely relates to L wave band binary channels transceiver device.
Background
The unmanned aerial vehicle swarm system can realize multi-machine formation, real-time data communication and cooperative operation, and realize tasks such as penetration detection, cooperative operation, cluster attack, communication interference and the like in a high-risk area; the military task can be executed on the target area with low cost and high efficiency; it can also attack targets at sea, in the air and on the ground with a coordinated weapons platform.
But adopt traditional unmanned aerial vehicle communication technology, unmanned aerial vehicle bee colony formation quantity is few, and the communication frequency between the aircraft is low. The matching among the unmanned aerial vehicle groups is not good, and the preset effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a L wave band binary channels transceiver device can realize the quick frequency hopping communication of unmanned aerial vehicle bee colony system, solves traditional unmanned aerial vehicle formation in small quantity, problem that the communication frequency is low.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a L-band dual-channel transceiver device, which comprises a J30J connector, an SMP (symmetrical multi processing) radio frequency connector, a radio frequency transceiver component, a signal processing module, a power supply module and a front panel; the signal processing module is respectively and electrically connected with the SMP radio frequency connector and the radio frequency transceiving component, the J30J connector and the power supply module are both connected with the radio frequency transceiving component, and the front panel is electrically connected with the J30J connector.
Furthermore, the radio frequency transceiving component comprises a control board, a transceiving frequency hopping local vibration board, a double-channel receiving board, a double-channel transmitting board, a power amplification board and a switch duplex board; the control panel is electrically connected with the receiving and transmitting frequency hopping local vibrating plate, the control panel is electrically connected with the dual-channel receiving plate, the control panel is electrically connected with the dual-channel transmitting plate, the control panel is electrically connected with the power amplifying plate, and the control panel is electrically connected with the switch duplex plate; the receiving-transmitting frequency hopping local vibration plate is electrically connected with the double-channel receiving plate, and the receiving-transmitting frequency hopping local vibration plate is also electrically connected with the double-channel transmitting plate; the double-channel receiving plate is electrically connected with the switch duplex plate; the dual-channel transmitting plate is electrically connected with the power amplifying plate; the power amplification board is electrically connected with the switch duplex board; the J30J connector is electrically connected with the control board; the SMP radio frequency connector is electrically connected with the signal processing module, the SMP radio frequency connector is electrically connected with the dual-channel receiving plate, the SMP radio frequency connector is electrically connected with the dual-channel transmitting plate, and the SMP radio frequency connector is electrically connected with the switch duplex plate; the signal processing module is electrically connected with the control board.
Furthermore, the power module is electrically connected with the control board, and a first power output pin and a first power input pin are arranged between the power module and the control board.
Furthermore, the front panel is electrically connected with the J30J connector through a debugging loading pin, and a program loading and communication control interface is integrated on the front panel.
Furthermore, a first power supply pin, a first control quantity pin and a first detection analog signal pin are arranged between the local oscillation plate for frequency hopping and transceiving and the control plate.
Furthermore, a second power supply pin, a second control quantity pin and a second detection analog signal pin are arranged between the double-channel receiving plate and the control plate;
furthermore, a first receiving intermediate frequency signal pin and a second receiving intermediate frequency signal pin are arranged between the two-channel receiving plate and the SMP radio frequency connector;
a first receiving local oscillator signal pin and a second receiving local oscillator signal pin are arranged between the double-channel receiving plate and the receiving-transmitting frequency hopping local oscillator plate;
and a first radio frequency signal receiving pin and a second radio frequency signal receiving pin are arranged between the double-channel receiving plate and the switch duplex plate.
Furthermore, a third power supply pin, a third control quantity pin and a third detection analog signal pin are arranged between the dual-channel transmitting plate and the control plate;
a first transmitting local oscillator signal pin and a second transmitting local oscillator signal pin are arranged between the two-channel transmitting plate and the receiving and transmitting frequency hopping local oscillator plate;
a first transmission radio frequency signal pin is arranged between the two-channel transmission plate and the power amplification plate;
and a first transmitting intermediate frequency signal pin and a second transmitting intermediate frequency signal pin are arranged between the two-channel transmitting plate and the SMP radio frequency connector.
Furthermore, a fourth power supply pin, a fourth control quantity pin and a fourth detection analog signal pin are arranged between the switch duplex board and the control board;
a second transmitting radio frequency signal pin and a third transmitting radio frequency signal pin are arranged between the switch duplex plate and the power amplification plate;
an antenna radio frequency signal pin is arranged between the switch duplex plate and the SMP radio frequency connector;
furthermore, a control and loading bus, a second power output pin, a second power input pin and an indication LED control pin are arranged between the signal processing module and the control panel;
and a first receiving intermediate frequency signal pin, a second receiving intermediate frequency signal pin, a first transmitting intermediate frequency signal pin and a second transmitting intermediate frequency signal pin are arranged between the signal processing module and the SMP radio frequency connector.
The utility model has the advantages of as follows:
the utility model discloses an L-waveband double-channel transceiver device, which is provided with a J30J connector, an SMP radio frequency connector, a radio frequency transceiver component and a signal processing module; the radio frequency receiving and transmitting component comprises a control board, a receiving and transmitting frequency hopping local vibrating board, a double-channel receiving board, a double-channel transmitting board, a power amplifying board and a switch duplex board; the control panel is electrically connected with the receiving and transmitting frequency hopping local vibrating plate, the control panel is electrically connected with the dual-channel receiving plate, the control panel is electrically connected with the dual-channel transmitting plate, the control panel is electrically connected with the power amplifying plate, and the control panel is electrically connected with the switch duplex plate; the receiving and transmitting frequency hopping local vibrating plate is electrically connected with the double-channel receiving plate, and the receiving and transmitting frequency hopping local vibrating plate is also electrically connected with the double-channel transmitting plate; the double-channel receiving plate is electrically connected with the switch duplex plate; the dual-channel transmitting plate is electrically connected with the power amplifying plate; the power amplification board is electrically connected with the switch duplex board; the J30J connector is electrically connected with the control board; the SMP radio frequency connector is electrically connected with the signal processing module, and the SMP radio frequency connector is electrically connected with the dual-channel receiving board; the SMP radio frequency connector is electrically connected with the dual-channel transmitting plate, and the SMP radio frequency connector is electrically connected with the switch duplex plate; the signal processing module is electrically connected with the control panel. This technical scheme can regard as communication module in the unmanned aerial vehicle system, can effectively improve unmanned aerial vehicle formation quantity, practices thrift the cost, reduces the volume, lightens weight.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic diagram of an L-band dual-channel transceiver apparatus according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a switch duplex board of an L-band dual-channel transceiver device according to an embodiment of the present invention.
In the figure: 1-J30J connectors; 2-SMP radio frequency connectors; 3-a radio frequency transceiver component; 4-a signal processing module; 5-control panel; 6-receiving and transmitting the frequency hopping local vibrating plate; 7-a double-channel receiving plate; 8-a dual-channel transmitting plate; 9-a power amplification board; 10-switch duplex plate; 11-a power supply module; 12-front panel.
Detailed Description
The present invention is described in detail with reference to the specific embodiments, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, there is provided an L-band dual-channel transceiver device, including a J30J connector 1, an SMP radio frequency connector 2, a radio frequency transceiving component 3, a signal processing module 4, a power supply module 11, and a front panel 12; the signal processing module 4 is respectively and electrically connected with the SMP radio frequency connector 2 and the radio frequency transceiving component 3, the J30J connector 1 and the power module 11 are both connected with the radio frequency transceiving component 3, and the front panel 12 is electrically connected with the J30J connector 1.
The radio frequency transceiving component 3 comprises a control board 5, a transceiving frequency hopping local vibration board 6, a double-channel receiving board 7, a double-channel transmitting board 8, a power amplification board 9 and a switch duplex board 10; the control panel 5 is electrically connected with the receiving and transmitting frequency hopping local vibration plate 6, the control panel 5 is electrically connected with the dual-channel transmitting plate 8, the control panel 5 is electrically connected with the power amplifying plate 9, and the control panel 5 is electrically connected with the switch duplex plate 10; the receiving and transmitting frequency hopping local vibration plate 6 is electrically connected with the double-channel receiving plate 7, and the receiving and transmitting frequency hopping local vibration plate 6 is also electrically connected with the double-channel transmitting plate 8; the double-channel receiving plate 7 is electrically connected with the switch duplex plate 10; the dual-channel transmitting plate 8 is electrically connected with the power amplifying plate 9; the power amplification board 9 is electrically connected with the switch duplex board 10; the J30J connector 1 is electrically connected with the control board 5; the SMP radio frequency connector 2 is electrically connected with the signal processing module 4, the SMP radio frequency connector 2 is electrically connected with the dual-channel receiving plate 7, the SMP radio frequency connector 2 is electrically connected with the dual-channel transmitting plate 8, and the SMP radio frequency connector 2 is electrically connected with the switch duplex plate 10; the signal processing module 4 is electrically connected with the control board 5.
In this embodiment, the L-band dual-channel transceiver device further includes a power module 11, the power module 11 is electrically connected to the control board 5, and a first power output pin and a first power input pin are disposed between the power module 11 and the control board 5. In addition, the front panel 12 is further included, the front panel 12 is electrically connected with the J30J connector 1 through a debug loading pin, and the front panel 12 is integrated with a program loading and communication control interface.
Specifically, a first power pin, a first control quantity pin and a first detection analog signal pin are arranged between the transceiving frequency hopping local vibration plate 6 and the control plate 5.
Specifically, a second power supply pin, a second control quantity pin and a second detection analog signal pin are arranged between the dual-channel receiving plate 7 and the control plate 5; a first receiving intermediate frequency signal pin and a second receiving intermediate frequency signal pin are arranged between the two-channel receiving plate 7 and the SMP radio frequency connector; a first receiving local oscillation signal pin and a second receiving local oscillation signal pin are arranged between the double-channel receiving plate 7 and the receiving-transmitting frequency hopping local oscillation plate 6; a first radio frequency signal receiving pin and a second radio frequency signal receiving pin are arranged between the double-channel receiving plate 7 and the switch duplex plate 10.
Specifically, a third power supply pin, a third control quantity pin and a third detection analog signal pin are arranged between the dual-channel transmitting plate 8 and the control plate 5; a first transmitting local oscillator signal pin and a second transmitting local oscillator signal pin are arranged between the dual-channel transmitting plate 8 and the receiving-transmitting frequency hopping local oscillator plate 6; a first transmission radio frequency signal pin is arranged between the dual-channel transmitting plate 8 and the power amplifying plate 9; and a first transmitting intermediate frequency signal pin and a second transmitting intermediate frequency signal pin are arranged between the two-channel transmitting plate 8 and the SMP radio frequency connector 2.
Specifically, a fourth power supply pin, a fourth control quantity pin and a fourth detection analog signal pin are arranged between the switch duplex plate 10 and the control plate 5; a second transmitting radio frequency signal pin and a third transmitting radio frequency signal pin are arranged between the switch duplex plate 10 and the power amplification plate 9; an antenna radio frequency signal pin is arranged between the switch duplex plate 10 and the SMP radio frequency connector 2;
specifically, a control and loading bus, a second power output pin, a second power input pin and an indication LED control pin are arranged between the signal processing module 4 and the control board 5; a first receiving intermediate frequency signal pin, a second receiving intermediate frequency signal pin, a first transmitting intermediate frequency pin and a second transmitting intermediate frequency signal pin are arranged between the signal processing module 4 and the SMP radio frequency connector 2.
In this embodiment, the local oscillation plate 6 for frequency hopping can generate two 1 us/time local oscillation signals for frequency hopping. The control board 5 can control the radio frequency transceiving frequency, the radio frequency transceiving channel selection, the power monitoring, the attenuation control and various switch controls in the radio frequency circuit.
Specifically, the dual-channel receiving board 7 mainly performs low-noise amplification, down-conversion and amplification processing on signals received from the antenna after the signals are filtered and signal-selected by the switch filtering board 10, and outputs the processed radio-frequency signals to the signal processing module 4 for next receiving processing. The dual-channel transmitting plate 8 mainly filters, mixes, switches, filters and amplifies signals processed by the signal processing module, and then the signals enter the power amplifying plate 9, the power amplifying plate amplifies radio frequency power, and then the amplified radio frequency power enters the switch duplex plate 10 to be switched, selected and filtered, and then the transmission is completed through an antenna.
Referring to fig. 2, when the dual channel receiving plate 7 is in the 1400 ± 50MHz receiving state, the dual channel transmitting plate is in the 1650 ± 50MHz transmitting state. The signals received from the directional antenna are sent to 1400 +/-50 receiving channels through a duplexer 1400 +/-50 channel and a small-signal radio frequency switch, and then are output after low-noise amplification, frequency mixing, band-pass filtering and logarithmic detection amplification. The transmitting signal is output to the directional antenna through the radio frequency switch and the duplexer 1650 +/-50 after the band-pass filtering, the frequency mixing, the 1650 +/-50 channel of the switch filter and the power amplification. When the dual-channel receiving plate 7 is in a 1650 +/-50 MHz receiving state, the dual-channel transmitting plate is in a 1400 +/-50 MHz transmitting state. The signals received from the directional antenna are sent to two receiving channels through a duplexer 1650 +/-50 channel, an amplitude limiter and a small-signal radio frequency switch, and then are output after low-noise amplification, frequency mixing, band-pass filtering and logarithmic detection amplification. The transmitting signal is output to the directional antenna through the radio frequency switch and the duplexer 1400 +/-50 after the band-pass filtering, the frequency mixing, the switching filter 1400 +/-50 channel and the power amplification.
Specifically, the control and detection circuit of the control board 5 performs on-off logic control of the transceiver channel circuit, external data communication, and status monitoring of each link. The power supply module 11 converts an external input voltage into a voltage required inside the module.
The utility model is provided with a J30J connector 1, an SMP RF connector 2, an RF transceiving component 3 and a signal processing module 4; the radio frequency transceiving component 3 comprises a control panel 5, a transceiving frequency hopping local vibration plate 6, a double-channel receiving plate 7, a double-channel transmitting plate 8, a power amplifying plate 9 and a switch duplex plate 10; the control panel 5 is electrically connected with the receiving and transmitting frequency hopping local vibration plate 6, the control panel 5 is electrically connected with the double-channel receiving plate 7, the control panel 5 is electrically connected with the double-channel transmitting plate 8, the control panel 5 is electrically connected with the power amplifying plate 9, and the control panel 5 is electrically connected with the switch duplex plate 10; the receiving and transmitting frequency hopping local vibration plate 6 is electrically connected with the double-channel receiving plate 7, and the receiving and transmitting frequency hopping local vibration plate 6 is electrically connected with the double-channel transmitting plate 8; the double-channel receiving plate 7 is electrically connected with the switch duplex plate 10; the dual-channel emission plate 8 is electrically connected with the power amplification plate 9; the power amplification board 9 is electrically connected with the switch duplex board 10; the J30J connector 1 is electrically connected with the control board 5; the SMP radio frequency connector 2 is electrically connected with the signal processing module 4; the SMP radio frequency connector 2 is electrically connected with the dual-channel receiving plate 7, the SMP radio frequency connector 2 is electrically connected with the dual-channel transmitting plate 8, and the SMP radio frequency connector 2 is electrically connected with the switch duplex plate 10; the signal processing module 4 is electrically connected with the control board 5. The technical scheme can transmit 1400 +/-50 MHz communication signals and receive 1650 +/-50 MHz signals; and a 1650 +/-50 MHz communication signal can be transmitted, and a 1400 +/-50 MHz signal can be received. This technical scheme can regard as communication module in the unmanned aerial vehicle system, can effectively improve unmanned aerial vehicle formation quantity, practices thrift the cost, reduces the volume, lightens weight.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. An L-band dual channel transceiver apparatus, the apparatus comprising: J30J connector (1), SMP radio frequency connector (2), radio frequency transceiver module (3), signal processing module (4), power module (11) and front panel (12) signal processing module (4) are connected with SMP radio frequency connector (2) and radio frequency transceiver module (3) electricity respectively, J30J connector (1) and power module (11) all are connected with radio frequency transceiver module (3), front panel (12) are connected with J30J connector (1) electricity.
2. An L-band dual channel transceiver arrangement according to claim 1, characterized in that the radio frequency transceiver component (3) comprises: the device comprises a control panel (5), a receiving and transmitting frequency hopping local vibration plate (6), a dual-channel receiving plate (7), a dual-channel transmitting plate (8), a power amplifying plate (9) and a switch duplex plate (10); the control panel (5) is electrically connected with the transceiving frequency hopping local vibration plate (6), the control panel (5) is electrically connected with the dual-channel receiving plate (7), the control panel (5) is electrically connected with the dual-channel transmitting plate (8), the control panel (5) is electrically connected with the power amplifying plate (9), and the control panel (5) is electrically connected with the switch duplex plate (10); the receiving and transmitting frequency hopping local vibration plate (6) is electrically connected with the double-channel receiving plate (7), the receiving and transmitting frequency hopping local vibration plate (6) is also electrically connected with the double-channel transmitting plate (8), and the double-channel receiving plate (7) is electrically connected with the switch duplex plate (10); the dual-channel transmitting plate (8) is electrically connected with the power amplifying plate (9); the power amplification board (9) is electrically connected with the switch duplex board (10); the J30J connector (1) is electrically connected with the control board (5); the SMP RF connector (2) is electrically connected with the signal processing module (4), the SMP RF connector (2) is electrically connected with the dual-channel receiving plate (7), the SMP RF connector (2) is electrically connected with the dual-channel transmitting plate (8), and the SMP RF connector (2) is electrically connected with the switch duplex plate (10); the signal processing module (4) is electrically connected with the control board (5).
3. The dual channel transceiver device for L-band according to claim 1, wherein the power supply module (11) is electrically connected to the control board (5), and a first power supply output pin and a first power supply input pin are provided between the power supply module (11) and the control board (5).
4. The L-band dual-channel transceiver device as claimed in claim 1, wherein the front panel (12) is electrically connected to the J30J connector (1) through debug load pins, and the front panel (12) is integrated with a program load and communication control interface.
5. The L-band dual channel transceiver device according to claim 2, wherein a first power supply pin, a first control value pin and a first detection analog signal pin are provided between the transmission/reception frequency hopping local oscillator board (6) and the control board (5).
6. The L-band dual-channel transceiver device according to claim 2, wherein a second power supply pin, a second control quantity pin and a second detection analog signal pin are provided between the dual-channel receiving board (7) and the control board (5);
a first receiving intermediate frequency signal pin and a second receiving intermediate frequency signal pin are arranged between the two-channel receiving plate (7) and the SMP radio frequency connector (2);
a first receiving local oscillation signal pin and a second receiving local oscillation signal pin are arranged between the double-channel receiving plate (7) and the receiving-transmitting frequency hopping local oscillation plate (6);
and a first radio frequency signal receiving pin and a second radio frequency signal receiving pin are arranged between the double-channel receiving plate (7) and the switch duplex plate (10).
7. The L-band dual-channel transceiver device as claimed in claim 2, wherein a third power supply pin, a third control quantity pin and a third detection analog signal pin are arranged between the dual-channel transmitting board (8) and the control board (5);
a first transmitting local oscillation signal pin and a second transmitting local oscillation signal pin are arranged between the double-channel transmitting plate (8) and the receiving-transmitting frequency hopping local oscillation plate (6);
a first transmission radio frequency signal pin is arranged between the double-channel transmitting plate (8) and the power amplifying plate (9);
and a first transmitting intermediate frequency signal pin and a second transmitting intermediate frequency signal pin are arranged between the dual-channel transmitting plate (8) and the SMP radio frequency connector (2).
8. The L-band dual-channel transceiver device as claimed in claim 2, wherein a fourth power supply pin, a fourth control quantity pin and a fourth detection analog signal pin are arranged between the switch duplexer plate (10) and the control plate (5);
a second transmitting radio frequency signal pin and a third transmitting radio frequency signal pin are arranged between the switch duplex plate (10) and the power amplification plate (9);
an antenna radio frequency signal pin is arranged between the switch duplex plate (10) and the SMP radio frequency connector (2).
9. The L-band dual-channel transceiver device as claimed in claim 7, wherein a control and loading bus, a second power output pin and an indication LED control pin are arranged between the signal processing module (4) and the control board (5); and a first receiving intermediate frequency signal pin, a second receiving intermediate frequency signal pin, a first transmitting intermediate frequency signal pin and a second transmitting intermediate frequency signal pin are arranged between the signal processing module (4) and the SMP radio frequency connector (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778655.7U CN218549908U (en) | 2021-04-15 | 2021-04-15 | L-band dual-channel transceiver device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778655.7U CN218549908U (en) | 2021-04-15 | 2021-04-15 | L-band dual-channel transceiver device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218549908U true CN218549908U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120778655.7U Active CN218549908U (en) | 2021-04-15 | 2021-04-15 | L-band dual-channel transceiver device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218549908U (en) |
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2021
- 2021-04-15 CN CN202120778655.7U patent/CN218549908U/en active Active
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