COFDM transmitter compare

Power Voltage5V10~35V12V12V

Model COFDM-901T COFDM-902T COFDM-903T COFDM-904T
Transmitter Pictures cofdm transmitter wireless video COFDM Wireless Video transmitter Image Transmission Transceiver  
Price $406 $483 $1,365 $683
Unique Selling Point Smallest CVBS Input Quality best Recommended
Popular
RF Frequency (optional) 1500Mhz 900Mhz
RF Frequency ( default) 839,832,846,853,
906,912,918,924
Pre-set at Factory:  170~900Mhz Operate at extra board
RF Power 200mw 1W 1W 1W
Delay 200 millisecond 200 millisecond 200 millisecond 200 millisecond
HDMI input Yes Yes Yes Yes
CVBS input No Yes No Yes
Air To Ground Distance (Line-Of-Sight, UAV, Drone) 3km 8km 15km 10km
Ground LOS Distance (Line-Of-Sight) 500m 800m 1km 1km
Ground NLOS Distance (Non-Line-of-Sight) 200m 500m 600m 600m
Weight
Dimensions 52 X 40 X 14mm 100 × 43 × 10mm 118 X 66 X 22mm