... 0.9G to 2.4G Reliable Wireless FPV transmitter, UAV Transmitter,Receiver Kit (AL-1000)1.Performance Parameter: ... The line has 5 plugs for connecting the transmitter,camera and power supply.One of the line' ... s points connects transmitter,another has 4 plugs(red,yellow,white,black ... 4 bit switch,can change the channels of send. C.Set the same channel with transmitter and receiver.