The optical fiber graph data transmission module uses G657A2 optical fiber as the transmission medium to transmit video and two-way control signals. Optical fiber communication has the advantages of high bandwidth, ultra-low latency, strong anti-interference, and can make FPV drones completely electromagnetic silent.
The core technical advantages of the product:
- It adopts a high-bandwidth photoelectric conversion module, with low latency, and can transmit 2 video signals at the same time, one for ordinary camera signals, and one for thermal imaging camera signals or hyperspectral camera signals. It supports a maximum distance transmission of 120KM.
- In the air unit module, a video signal output (superimposed with the video signal of the flight controller OSD data) is added to the analog video transmission, and the optical fiber video transmission and 5.8G analog video transmission can work at the same time.
- On the ground side, there are 3 video outputs, the V1 video signal is output to the monitor or video glasses through the 3.5 port, and there is also a V1 signal, which can be output to the analog video transmission. The V2 video signal is transmitted to the ground without the signal compression of the flight control system, and the picture effect will be better.
Technical Parameters:
Fiber Interface: FC Interface Fiber Type: G657A2 Single-Mode-Single-Fiber
Fiber Tube Material: Polymer material, able to withstand low temperature of minus 45 degrees
Data interface: SH1.0 Video signal: NTFC/PAL/SECAM
TRANSMISSION DISTANCE: 0-100KM WAVELENGTH: 1310NM AND 1550NM
Air unit power supply: 5V, 1.2A
Air unit installation method: Built-in
Ground terminal power supply: 7-26V
Ground end weight: 63g, CNC aluminum alloy material
Ground terminal size: 82mm*51mm*21mm
V1 output to VTX: The video signal of V1 is transmitted to the wireless video transmission module to achieve dual wireless transmission
TX: Connected to the RX port of the FC flight control board
RX: Connect to the TX port of the FC flight control board
VTX: Connect to the VTX port of the FC flight control board
5V: 5V output of FC flight control board
GND: GND connected to the FC flight control board
V2 input: The video connected to the camera
5V out: Power the camera
GND: GND connected to the camera
Wireless Connection:
TX: Connects to the R X of the ELRS receiver
RX: Connects to the T X of the ELRS receiver
5V out: Power the ELRS receiver
GND: ground wire
Wired connection:
GND: ground wire
5V out: 5V power supply
Sbus: Connect to the high-frequency head data interface on the back of the remote controle to transmit Sbus signals. In this case, the TX output sbus signal on the air terminal, but there is no signal output on the RX terminal.
Product advantages of fiber optical barrels
- The fiber barrel has been mass-equipped with troops and has been proven in various extreme environments. Agile and flexible product design can quickly meet the customized needs of customers, and a large number of optical fiber rewinding equipment can meet the batch delivery requirements of customers.
- Through hundreds of tests and iterative optimization in 6 months, the core structure of the optical fiber barrel is made of CNC aluminum alloy pay-off reel, and the edge is polished and polished at the mirror level, and nano-ceramic coating is applied to ensure that the resistance of the optical fiber is minimized when the edge of the pay-off reel slides. At present, on the market, all the optical fiber barrels of the external discharge are ABS material pay-off reels, and the 15KM optical fiber will rub more than 60,000 times at the edge, and the long-term friction and heating will make the edge burr, resulting in a greatly increased risk of fiber breakage. At present, the more secure scheme is: the use of Kevlar fiber three-layer coated optical fiber, so that the overall tensile strength of the optical fiber reaches 20KG, under normal flight conditions, it cannot be broken. Or, the external discharge line ordinary fiber barrel + AI automatic strike module. At the scout tracking level. Segment, low-speed and low-altitude flight, due to the radio silence throughout the whole process, the other party is basically unable to detect the drone. When the target is found for the final accelerated attack stage, the AI module can be used to lock and hit the target, and the task can be completed even if the fiber is broken.
- The built-in air terminal module reduces the risk of damage caused by the external FC connector. The base is made of ABS material and the stress points are specially reinforced, and the overall thickness and strength of the base are far beyond the same to ensure that the optical fiber barrel will not break during long-distance transportation. The size and length of the fiber barrel can be customized according to customer requirements. FIBER DIAMETERS FROM 0.25MM TO 0.9MM, THE FIBER MATERIAL CAN BE CUSTOMIZED FROM ORDINARY FIBER TO KEVLAR FIBER. The length of the fiber outlet can also be customized according to customer requirements.
- Our self-developed quick-release type fiber barrel fixing bracket, the maximum inclination angle is 45 degrees, and the minimum inclination angle is 25 degrees adjustable. Effectively avoid the risk of the blades breaking the optical fiber when the drone is maneuvering at a large angle.
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