1,user-friendly and conveniently 2,8 channels 3,power :12V 150mA 4,range:3km(maximum) TS351transmitting frequency: 5725-5865MHz; 8channels transmitting power: 23dBm/200mW transmitting distance:>3000metres frequency control:built-in frequency and phase lock loopAV input:analog AV signal input power supply voltage:6.5-15V supply current:200mA dimension: 55*26*17mmRC305receiving frequency:5725- ...