COFDM-T903T HDMI COFDM Wireless Image Video Transmission transmitter Transceiver


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)
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 wireless video
cofdm wireless video transmitter
cofdm wireless video transmitter
Wireless Image Video Transmission transmitter


cofdm wireless video transmitter






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?
Answer: Can you see below menu on control board?

COFDM Transmitter DVB-T Parameter
COFDM-903T Control Board
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.

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