CN219740385U - Radio frequency optical fiber transmission equipment - Google Patents
Radio frequency optical fiber transmission equipment Download PDFInfo
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- CN219740385U CN219740385U CN202320643406.6U CN202320643406U CN219740385U CN 219740385 U CN219740385 U CN 219740385U CN 202320643406 U CN202320643406 U CN 202320643406U CN 219740385 U CN219740385 U CN 219740385U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 41
- 239000013307 optical fiber Substances 0.000 title claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims description 95
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses radio frequency optical fiber transmission equipment, which belongs to the technical field of radio frequency transmission equipment and comprises a case, wherein an indicator light and a switch are arranged at the front end of the case, an operation panel is arranged at the rear end of the case, and a radio frequency light receiving plate III, a radio frequency light emitting plate II, a radio frequency light emitting plate I, a wavelength division multiplexing/light switching plate, a satellite interface plate, a main control data plate, an alternating current power supply plate and a direct current power supply plate are arranged on the operation panel. The radio frequency light receiving plate III, the radio frequency light emitting plate II and the radio frequency light emitting plate I finish radio frequency and light exchange, the satellite interface plate finishes radio frequency signal receiving and transmitting, the wavelength division multiplexing/light switching plate finishes the wavelength division multiplexing of multipath light and the switching function of a light output channel, so that the access requirements of various complex scenes are met conveniently, the main control data plate finishes Ethernet, voice, management, RS422 and RS485 functions, and the integration of the device is improved.
Description
Technical Field
The utility model relates to the technical field of radio frequency signal transmission equipment, in particular to radio frequency optical fiber transmission equipment.
Background
In the traditional radio frequency signal transmission scene, radio frequency signals are transmitted in a coaxial cable, and the attenuation loss of the coaxial cable is particularly large; the coaxial cable is high in price, thick and heavy, and is not beneficial to wiring and maintenance; the anti-interference capability is weak, and the anti-interference agent is unfavorable for confidentiality and maneuvering when used for some sensitive applications. Therefore, the traditional radio frequency transmission equipment has the defects of limited transmission distance, limited access capability and weak capability of adapting to complex scenes.
Accordingly, there is a need to provide a radio frequency optical fiber transmission device that solves the above-mentioned problems.
Disclosure of Invention
The utility model provides radio frequency optical fiber transmission equipment, which comprises a case, wherein an indicator lamp and a switch are arranged at the front end of the case, an operation panel is arranged at the rear end of the case, and a radio frequency light receiving plate III, a radio frequency light emitting plate II, a radio frequency light emitting plate I, a wavelength division multiplexing/light switching plate, a satellite interface plate, a main control data plate, an alternating current power plate and a direct current power plate are arranged on the operation panel;
the radio frequency light emitting plate I is provided with a first radio frequency input interface and a first light port output interface, the radio frequency light emitting plate II is provided with a second radio frequency input interface and a second light port output interface, and the radio frequency light receiving plate III is provided with a radio frequency output interface and a light port input interface;
the wavelength division multiplexing/optical switching board is provided with a first optical port of a module, a second optical port of the module, a third optical port of the module, a main control data optical port, an output 1, an output 2, an output 3 and an output 4;
the satellite interface board is provided with a guiding intermediate frequency input interface, a guiding intermediate frequency output interface, an intermediate frequency input interface, an intermediate frequency output interface, a transmitting intermediate frequency output interface and a transmitting intermediate frequency input interface;
the main control data board is provided with an optical port, an Ethernet interface, a voice interface, a monitoring interface, an RS422 interface and an RS485 interface;
the indication lamp, the radio frequency light receiving plate III, the radio frequency light emitting plate II, the radio frequency light emitting plate I, the wavelength division multiplexing/light switching plate, the satellite interface plate, the main control data plate, the direct current power supply plate and the alternating current power supply plate are all electrically connected with the switch;
the guiding intermediate frequency output interface is electrically connected with the first radio frequency input interface, the intermediate frequency output interface is electrically connected with the second radio frequency input interface, the transmitting intermediate frequency input interface is electrically connected with the radio frequency output interface, the first optical port output interface is electrically connected with the first optical port of the module, the second optical port output interface is electrically connected with the second optical port of the module, the optical port input interface is electrically connected with the third optical port of the module, and the optical port is electrically connected with the master control data optical port.
According to an embodiment of the utility model, the indicator lamp comprises a power indicator lamp, an operation indicator lamp, an ethernet indicator lamp, a management indicator lamp, a first light port indicator lamp of a module, a second light port indicator lamp of a module, a third light port indicator lamp of a module and a main control data board light port indicator lamp, wherein the power indicator lamp always lights a green light after equipment is electrified, the operation indicator lamp flashes a green light at a frequency of 2Hz to indicate that the main control data board normally works, the ethernet indicator lamp lights a green light when an ethernet link is established and flashes when data transmission is performed, the management indicator lamp lights a green light when an intranet link is established and flashes when data transmission is performed, the first light port indicator lamp of the module lights a green light when the light ports of the radio frequency light emitting board I are synchronized, the third light port indicator lamp of the module lights a green light when the light ports of the radio frequency light emitting board II are synchronized, and the main control data board indicator lamp lights a green light when the light ports of the radio frequency light receiving board III are synchronized.
According to an embodiment of the utility model, the alternating current power supply board is provided with an alternating current power supply, a grounding post and a first safety, and the direct current power supply board is provided with a direct current power supply and a second safety.
According to an embodiment of the present utility model, the AC power source is AC220, and the DC power source is DC24V.
According to one embodiment of the utility model, handles are arranged on two sides of the front end of the case.
According to an embodiment of the present utility model, a first fan, a second fan, a third fan, a fourth fan and a fifth fan are disposed inside the chassis.
The utility model has the beneficial effects that: a radio frequency optical fiber transmission device has the functions of radio frequency signals, voice data, ethernet data, RS422 signals and RS485 signals which are remotely transmitted through optical fibers, has the mixed output function of a 10MHz feed clock and direct current 15V, and has the functions of wavelength division multiplexing and optical output switching. The optical fiber is used as a transmission medium, and a plurality of services are transmitted on the same optical fiber through wavelength division multiplexing. The remote transmission requirements of information such as radio frequency, voice, data and the like are realized. The radio frequency optical fiber transmission equipment perfectly combines the analog radio frequency signal and the optical fiber, has the advantages of low radio frequency wireless coverage and optical fiber transmission loss, long transmission distance, wide frequency band, large transmission capacity, interference resistance and good confidentiality, and therefore well solves the limitation of the use of the traditional radio frequency transmission equipment and is convenient for meeting the access requirements of various complex scenes.
These and other objects, features and advantages of the present utility model will become more fully apparent from the following detailed description.
Drawings
Fig. 1 shows a schematic perspective view of the present utility model.
Fig. 2 shows a schematic diagram of the front view structure of the present utility model.
Fig. 3 shows a schematic rear view of the structure of the present utility model.
Fig. 4 shows a schematic view of the internal structure of the present utility model.
Fig. 5 shows a functional block diagram of the present utility model.
Reference numerals: 1-chassis, 2-pilot lamp, 3-switch, 4-radio frequency light receiving board III, 5-radio frequency light emitting board II, 6-radio frequency light emitting board I, 7-wavelength division multiplexing/optical switching board, 8-satellite interface board, 9-master control data board, 10-alternating current power board, 11-direct current power board, 12-first radio frequency input interface, 13-first optical port output interface, 14-guide intermediate frequency input interface, 15-optical port, 16-Ethernet interface, 17-intermediate frequency input interface, 18-voice interface, 19-monitor interface, 20-RS422 interface, 21-transmit intermediate frequency output interface, 22-RS485 interface, 23-module three optical port, 24-output 3, 25-direct current power supply, 26-alternating current power supply, 27-second safety, 28-first safety, 29-ground post, 30-first fan, 31-second fan, 32-third fan, 33-fourth fan, 34-fifth fan, 35-module one optical port, 36-module intermediate frequency two optical port, 37-master control optical port, 38-intermediate frequency output interface, 39-output interface, 43-second intermediate frequency output interface, 43-output interface, 4-intermediate frequency input interface, 43-output interface, 4-output interface, and 43-output interface.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the disclosure of the present specification, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1, a radio frequency optical fiber transmission apparatus according to a preferred embodiment of the present utility model will be described in detail below, wherein the apparatus includes a cabinet 1, an indicator lamp 2 and a switch 3 are provided at a front end of the cabinet 1, an operation panel is provided at a rear end of the cabinet 1, and a radio frequency light receiving board iii 4, a radio frequency light emitting board ii 5, a radio frequency light emitting board i 6, a wavelength division multiplexing/light switching board 7, a satellite interface board 8, a main control data board 9, an ac power board 10, and a dc power board 11 are provided on the operation panel.
The radio frequency light emitting plate I6 is provided with a first radio frequency input interface 12 and a first light port output interface 13; the radio frequency light emitting plate II 5 is provided with a second radio frequency input interface 44 and a second optical port output interface 45, and the radio frequency light receiving plate III 4 is provided with a radio frequency output interface 46 and an optical port input interface 47.
The wavelength division multiplexing/optical switching board 7 is provided with a first optical port 35, a second optical port 36, a third optical port 23, a main control data optical port 37, an output 138, an output 239, an output 324 and an output 440. The wavelength division multiplexing/optical switching board 7 completes the wavelength division multiplexing of multiple paths of light and the switching function of the light output channels, so that the access requirements of various complex scenes can be met conveniently. The satellite interface board 8 comprises a guide intermediate frequency input interface 14, a guide intermediate frequency output interface 41, an intermediate frequency input interface 17, an intermediate frequency output interface 42, a transmit intermediate frequency output interface 21 and a transmit intermediate frequency input interface 43. The main control data board 9 comprises an optical port 15, an Ethernet interface 16, a voice interface 18, a monitoring interface 19, an RS422 interface 20 and an RS485 interface 22. The master control data board 9 completes the functions of Ethernet, voice, management, RS422 and RS485, and improves the integration of the device. The pilot lamp 2, the radio frequency light receiving plate iii 4, the radio frequency light emitting plate ii 5, the radio frequency light emitting plate i 6, the wavelength division multiplexing/optical switching plate 7, the satellite interface plate 8, the main control data plate 9, the dc power panel 11 and the ac power panel 10 are all electrically connected with the switch 3. The switch 3 is used for controlling the whole machine to switch between an on state and an off state.
The guiding intermediate frequency output interface 41 is electrically connected to the first rf input interface 12, the intermediate frequency output interface 42 is electrically connected to the second rf input interface 44, the transmitting intermediate frequency input interface 43 is electrically connected to the rf output interface 46, the first optical port output interface 13 is electrically connected to the first optical port 35, the second optical port output interface 45 is electrically connected to the second optical port 36, the optical port input interface 47 is electrically connected to the third optical port 23, and the optical port 15 is electrically connected to the master data optical port 37.
Preferably, the indicator lamp 2 includes a power indicator lamp, an operation indicator lamp, an ethernet indicator lamp, a management indicator lamp, a first light port indicator lamp of a module, a second light port indicator lamp of a module, a third light port indicator lamp of a module, and a main control data board light port indicator lamp.
The power indicator lights are normally on green lights after the equipment is electrified, the operation indicator lights flash green lights at the frequency of 2Hz to indicate that the main control data board 9 works normally, the Ethernet indicator lights are on green lights when the Ethernet is in chain building and flash when data transmission, the management indicator lights are on green lights when the intranet is in chain building and flash when data transmission, the module one light port indicator lights are on green lights when the light ports of the radio frequency light emitting board I6 are synchronous, the module two light port indicator lights are on green lights when the light ports of the radio frequency light emitting board II 5 are synchronous, the module three light port indicator lights are on green lights when the light ports of the radio frequency light receiving board III 4 are synchronous, and the main control data board indicator lights are on green lights when the light ports of the main control data board 9 are synchronous.
Preferably, the ac power supply board 10 is provided with an ac power source 26, a ground post 29 and a first safety 28; the dc power supply plate 11 is provided with a dc power supply 25 and a second safety device 27, the first safety device 28 and the second safety device 27 being used for protecting the apparatus.
Preferably, the AC power source 26 is AC220 and the DC power source 25 is DC24V to meet the power requirements of the device.
Preferably, handles are arranged on two sides of the front end of the case 1, so that the equipment can be conveniently lifted.
Preferably, the first fan 30, the second fan 31, the third fan 32, the fourth fan 33 and the fifth fan 34 are disposed inside the chassis 1, for dissipating heat inside the chassis 1.
Working principle: the direct current power supply 25 is DC24V, DC24V is externally connected with direct current power supply, the alternating current power supply 26 is AC220, and the AC220 is externally connected with alternating current power supply so as to meet the power supply requirement of the equipment. The radio frequency optical fiber transmission equipment consists of a radio frequency light receiving plate III 4, a radio frequency light emitting plate II 5, a radio frequency light emitting plate I6, a wavelength division multiplexing/optical switching plate 7, a satellite interface plate 8, a main control data plate 9, an alternating current power supply board 10, a direct current power supply board 11 and the like, realizes the function of long-distance transmission of radio frequency signals, voice, ethernet, RS422 and RS485 through optical fibers, and can realize the function of optical path switching. The ac power supply board 10 and the dc power supply board 11 provide ac 220V and dc24V power, and provide required voltages for the rf light receiving board iii 4, the rf light emitting board ii 5, the rf light emitting board i 6, the wdm/light switching board 7, the satellite interface board 8, the master control data board 9, etc. through the back board, the rf light receiving board iii 4, the rf light emitting board ii 5, the rf light emitting board i 6, the wdm/light switching board 7, the satellite interface board 8, the master control data board 9, etc. provide RS232 signals, which are transmitted to the master control unit through the back board, so as to realize monitoring and configuration of the rf light receiving board iii 4, the rf light emitting board ii 5, the rf light emitting board i 6, the wdm/light switching board 7, the satellite interface board 8, and the master control data board 9.
The satellite interface board 8 is provided with a guide intermediate frequency input interface 14, a guide intermediate frequency output interface 41, an intermediate frequency input interface 17, an intermediate frequency output interface 42, a transmit intermediate frequency output interface 21 and a transmit intermediate frequency input interface 43. The guiding intermediate frequency input interface 14 is externally connected with an antenna, the intermediate frequency input interface 17 is externally connected with an antenna, the transmitting intermediate frequency output interface 21 is externally connected with an antenna, the guiding intermediate frequency output interface 41 is electrically connected with the first radio frequency input interface 12, the intermediate frequency output interface 42 is electrically connected with the second radio frequency input interface 44, and the transmitting intermediate frequency input interface 43 is electrically connected with the radio frequency output interface 46 to be responsible for receiving and transmitting radio frequency signals such as radio frequency 1, radio frequency 2, radio frequency 3 and the like. The satellite interface board 8 completes the 10MHz clock feeding function and the DC 15V mixed output function, and provides the required 10MHz clock feeding function and DC 15V power supply for the external equipment while transmitting the radio frequency 1, the radio frequency 2 and the radio frequency 3, thereby meeting the requirement of providing clock and power supply for the external equipment through a radio frequency cable.
The first optical port output interface 13 is electrically connected to the first optical port 35, the second optical port output interface 45 is electrically connected to the second optical port 36, the optical port input interface 47 is electrically connected to the third optical port 23, and the optical port 15 is electrically connected to the master data optical port 37. The radio frequency light emitting plate I6 and the radio frequency light emitting plate II 5 convert the radio frequency 1 and the radio frequency 2 into optical signals through intensity modulation, and the radio frequency light receiving plate III 4 demodulates the optical signals into the radio frequency 3 to complete the conversion function of the radio frequency and the light.
The first optical port 35 is electrically connected to the first optical port output interface 13, the second optical port 36 is electrically connected to the second optical port output interface 45, the third optical port 23 is electrically connected to the optical port input interface 47, and the main control data optical port 37 is electrically connected to the optical port 15. The output 138, the output 239, the output 324, and the output 440 all circumscribe backend devices. The wavelength division multiplexing/optical switching board 7 realizes the transmission and optical path switching of multiple services on the same optical fiber, the wavelength division multiplexing/optical switching board 7 comprises a wavelength division multiplexing module and an optical switching module, the wavelength division multiplexing module completes multiplexing and demultiplexing of multiple paths of light with different wavelengths, the optical switching module completes the routing and switching of the optical path, and the wavelength division multiplexing/optical switching board 7 completes the wavelength division multiplexing of multiple paths of light and the switching function of an optical output channel, thereby being convenient for meeting the access requirements of various complex scenes.
The master control data board 9 comprises Ethernet data, voice data, RS422 and RS485, the Ethernet interface 16 is externally connected with a switch, the voice interface 18 is externally connected with a telephone, the monitoring interface 19 is externally connected with the switch, the RS422 interface 20 is externally connected with an antenna, and the RS485 interface 22 is externally connected with the antenna. The integration of the device is improved through the function of optical fiber long-distance transmission. The master control data board 9 completes the processing of Ethernet, voice, RS422 and RS485 signals through the corresponding interface circuits such as the Ethernet interface 16, the voice interface 18, the RS422 interface 20, the RS485 interface 22 and the like, and then transmits the signals through optical fibers.
The radio frequency input 12, the guide intermediate frequency input interface 14, the intermediate frequency input interface 17 and the transmit intermediate frequency output interface 21 provide radio frequency transmission functions; the optical port output 13, the optical port 15, the module one optical port 35, the module two optical port 36, the module three optical port 23, the master data optical port 37, the output 138, the output 239, the output 324 and the output 440 provide optical transmission functions; the ethernet interface 16 provides ethernet functionality; the monitoring interface 19 provides management functions; the speech interface 18 provides voice services; the RS422 interface 20 provides RS422 functionality; the RS485 interface 22 provides an RS485 function; the first optical port 35, the second optical port 36, the third optical port 23 and the main control data optical port 37 provide wavelength division multiplexing functions; the output 138, the output 239, the output 324, and the output 440 provide optical output and optical switching functions. The radio frequency optical fiber transmission equipment has the functions of radio frequency signals, voice data, ethernet data, RS422 signals and RS485 signals which are remotely transmitted through optical fibers, has the mixed output function of a 10MHz feed clock and direct current 15V, and has the functions of wavelength division multiplexing and optical output switching. The optical fiber is used as a transmission medium, and a plurality of services are transmitted on the same optical fiber through wavelength division multiplexing. The remote transmission requirements of information such as radio frequency, voice, data and the like are realized. The radio frequency optical fiber transmission equipment perfectly combines the analog radio frequency signal and the optical fiber, and has the advantages of low radio frequency wireless coverage, low optical fiber transmission loss, long transmission distance, wide frequency band, large transmission capacity, interference resistance and good confidentiality.
The terms "first, second, third, fourth, and fifth" in the present utility model are used for descriptive purposes only, and are not intended to indicate any order, but rather should be construed as indicating or implying relative importance.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (6)
1. The radio frequency optical fiber transmission equipment is characterized by comprising a case, wherein an indicator light and a switch are arranged at the front end of the case, an operation panel is arranged at the rear end of the case, and a radio frequency light receiving plate III, a radio frequency light emitting plate II, a radio frequency light emitting plate I, a wavelength division multiplexing/light switching plate, a satellite interface plate, a main control data plate, an alternating current power plate and a direct current power plate are arranged on the operation panel;
the radio frequency light emitting plate I is provided with a first radio frequency input interface and a first light port output interface, the radio frequency light emitting plate II is provided with a second radio frequency input interface and a second light port output interface, and the radio frequency light receiving plate III is provided with a radio frequency output interface and a light port input interface;
the wavelength division multiplexing/optical switching board is provided with a first optical port of a module, a second optical port of the module, a third optical port of the module, a main control data optical port, an output 1, an output 2, an output 3 and an output 4;
the satellite interface board is provided with a guiding intermediate frequency input interface, a guiding intermediate frequency output interface, an intermediate frequency input interface, an intermediate frequency output interface, a transmitting intermediate frequency output interface and a transmitting intermediate frequency input interface;
the main control data board is provided with an optical port, an Ethernet interface, a voice interface, a monitoring interface, an RS422 interface and an RS485 interface;
the indication lamp, the radio frequency light receiving plate III, the radio frequency light emitting plate II, the radio frequency light emitting plate I, the wavelength division multiplexing/light switching plate, the satellite interface plate, the main control data plate, the direct current power supply plate and the alternating current power supply plate are all electrically connected with the switch;
the guiding intermediate frequency output interface is electrically connected with the first radio frequency input interface, the intermediate frequency output interface is electrically connected with the second radio frequency input interface, the transmitting intermediate frequency input interface is electrically connected with the radio frequency output interface, the first optical port output interface is electrically connected with the first optical port of the module, the second optical port output interface is electrically connected with the second optical port of the module, the optical port input interface is electrically connected with the third optical port of the module, and the optical port is electrically connected with the master control data optical port.
2. The radio frequency optical fiber transmission equipment according to claim 1, wherein the indicator lights comprise a power indicator light, an operation indicator light, an ethernet indicator light, a management indicator light, a first light port indicator light, a second light port indicator light, a third light port indicator light and a main control data board light port indicator light, the power indicator light always lights green light after the equipment is powered on, the operation indicator light flashes green light at a frequency of 2Hz to indicate that the main control data board normally works, the ethernet indicator light lights green light when an ethernet link is established and flashes when data is transmitted, the management indicator light lights green light when an intranet link is established and flashes when data is transmitted, the first light port indicator light lights green light when the light ports of the radio frequency light emitting board i are synchronous, the third light port indicator light lights green light when the light ports of the radio frequency light emitting board ii are synchronous, and the main control data board indicator light green light when the light ports of the radio frequency light receiving board iii are synchronous.
3. A radio frequency optical fiber transmission device according to claim 1, wherein the ac power supply is provided with an ac power source, a ground post and a first safety, and the dc power supply is provided with a dc power source and a second safety.
4. A radio frequency optical fiber transmission device according to claim 3, wherein the AC power source is AC220 and the DC power source is DC24V.
5. The radio frequency optical fiber transmission device according to claim 1, wherein handles are provided on both sides of the front end of the cabinet.
6. The rf fiber optic transmission device of claim 1, wherein the interior of the chassis is provided with a first fan, a second fan, a third fan, a fourth fan, and a fifth fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643406.6U CN219740385U (en) | 2023-03-24 | 2023-03-24 | Radio frequency optical fiber transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643406.6U CN219740385U (en) | 2023-03-24 | 2023-03-24 | Radio frequency optical fiber transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219740385U true CN219740385U (en) | 2023-09-22 |
Family
ID=88052194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320643406.6U Active CN219740385U (en) | 2023-03-24 | 2023-03-24 | Radio frequency optical fiber transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219740385U (en) |
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2023
- 2023-03-24 CN CN202320643406.6U patent/CN219740385U/en active Active
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