Wireless HD Transmitter COFDM-903T

cofdm wireless video transmitter

Cofdm wireless video transmitter  HDMI COFDM Wireless Image Video Transmission transmitter Transceiver


Selling Points

Air To Ground>15 km (LOS, UAV, Drone) Ground Distance>1 km (LOS) Ground Distance>600 Meter (NLOS) 300Mhz~1000Mhz HDMI 1080P input Delay < 300ms 1~5W RF output


Machine small size, light weight, tailored for the UAV Excellent anti-jamming capability and non-line-of-sight diffraction ability Clear picture quality, high-definition 1080P effect Real-time image is clear and smooth Receiver board size is small, easy integration


Working frequency 300MHz~1000MHz  (Frequency customization)
Radio frequency power ≤28dBm
Bandwidth 2/4/6/7/8MHz
FEC 1/2,2/3,3/4,5/6,7/8
Protection Interval 1/32,1/16,1/8,1/4
Code stream 2Mbps~16Mbps
Time delay ≤300ms
Bit error rate ≤10-6
Transmission Distance Ground distance> 1 km; Air to ground> 15 km; Non-line of sight> 600 meters
Audio Video Interfaces HDMI
Encryption AES128
Image clarity 1920*1080P
Image frame rate 60,50,48,30,25,24fps
power supply DC10-15V
Dimensions L118*W66*H22mm
Weight 180g

Packing List

Tiny transmitter                      1pc
Receiver                                  1pc
Transmitter Power cable        1pc
Transmitter Antenna              1pc
Receiver Antenna                  2pcs
RF extended cable                2pcs
cofdm wireless video transmitter
COFDM Transmitter from China
cofdm wireless video transmitter
COFDM Wireless Video Transmitter HDMI input
cofdm wireless video transmitter
Wireless Image Video Transmission transmitter

cofdm wireless video transmitter
HDMI COFDM Wireless transmission


Control Board

Question: Is there a button combination that will allow user to change DVB-T parameters like setting Guard Interval, FEC, Constellation, etc.? how can we set unit to have better image quality like 16QAM and more robust performance like Guard Interval 1/16 and FEC 1/2?
COFDM Transmitter DVB-T Parameter
COFDM-903T Control Board
Answer: Can you see above menu on control board?  Control Board[/caption]
Question: How to enter above the advance setting?
Answer: When COFDM-903T in the boot, hold (press) the SELECT button (bottom right corner) until to be displayed on the screen, then release the button. After the start, in the configure -> advance within the parameters can be changed.