Wireless Video Transmitter

Cofdm Video Transmitter

XK-V103TDS transmitter is a micro HD wireless 4-channels Video transmission system(with two-way voice) for Fire fighting special robot.. Based on COFDM modulation, H. 264 compression and AES encryption, with multi-channel video transmission function, support up to four channels of image transmission simultaneously. It supports two-way data transmission, not only can transmit front-end information to the back-end (such as robot status, site environment information, etc.), but also can transmit back-end commands to the front-end, such as remote control of robots and transmitters. XK-V103TDS transmitter supports non line-of-sight transmission, with long distance, strong anti-interference ability, low transmission bandwidth and small  transmission delay; it can be widely used in army, public security, armed police, fire protection, water conservancy, electric power, maritime, customs, radio and television industries, the collocation with UGV/USV/Vehicle is one of the most popular application at present.


  • Non-line-of-sight transmission, long transmission distance, and strong anti – interference capability.
  • HD image transmission, the highest support 4K.
  • Low transmission delay.
  • AES encryption for transmission security and reliability.
  • Good RF index, high signal-to-noise ratio, and small stray.
  • Transmission frequency and bandwidth are adjustable.
  • Wide input voltage range, support DC8V~DC25V voltage input.
  • Small size.
  • Low power consumption.

Technical Parameters

Power supplyInput voltageDC12V~DC25V,standard input DC12V
 Overall power consumption≤27W @ 33dBm(2W)
Digital basebandModulationCOFDM
 Carrier mode2K
RFTx frequency300MHz~850MHz customizable, step 1MHz; other Fre customizable;RBW 40MHz @ 33dBm(2W)
 RF bandwidth2MHz、3MHz、4MHz、6MHz、7MHz、8MHz
 Output power33dBm(2W)
 Adjustable attenuator0~31.5dB
A/VVideo sourceSDI×4
 Video bit rate0.5~18.8Mbps
 Audio bit rate32、48、56、64、80、96、112、128、160、192、224、256、320、384Kbps
 Video encodeH.264/AVC
 Audio encodeMPEG-1 Audio Layer 2
Serial portConfigure RS232Transmitter parameter configuration,baud rate 9600。
 RS2323 channels,Standard RS232 level, baud rate 1200~115200,8,N,1
 RS4852 channels,Standard RS485 level,baud rate 1200~115200,8,N,1
Transmission encryptionAES128、AES256
Transmission delay (end-to-end)About 300ms
Data delay (end-to-end)About 24ms(115200,60Byte)
Transmitter remote configurationFrequency, bandwidth, picture mode
Transmission distanceGround~Ground2-5km @ 33dBm(2W)
 Sky~Ground20-50km @ 33dBm(2W)
Temperature rangeWorking temperature-30℃~60℃
 Storage temperature-40℃~75℃
Physical specificationTransmitter size170*162*40mm
 Transmitter weight≤1000g
 Controller size≤70*72*13mm
 Controller weight≤84g

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