Test Company: Shanghai DongGu Airlines     

Frequency:300mhz-900mhz     
Transmitter Antenna Gain:3.5dBi     
Receiver Antenna, two FRP antenna, gain 11dBi     
Flying Height:120m   
Transmission distance: 15.7 km Smooth Video (Runing by Car, because terrain restrictions the car can not go farther, this is not the maximum transmission distance)