... transmitting distance:>3000metres frequency control:built-in frequency and phase lock loopAV input:analog AV signal input power supply voltage ... sensitivity:-90dBm frequency control:built-in frequency and phase lock loop double lines AV output:analog AV signal output antenna ... we supply2.4ghz ,5.8ghz,1.2ghz,1.5ghz,remote control transmitter and receiverpayment:TT,Western union,Paypal,Moneygram and ...