... Antenna 1.high sensitive VHF/UHF/FM high-gain conductor 2.100% waterproof funtion,sustain high temperature Car Analog TV ... 1.high sensitive VHF/UHF/FM high-gain conductor 2.100% waterproof funtion,sustain high temperature Car TV Black ... 50mA Noise: ∠5dB Gain: 20±3dBI V.S.W.R: ∠2.0:1 Connector: SMA, SMB,IEC,DC Output impedance: 75 ... -18dB AM:5±3dBNoise quotiety: ∠7dBV.S.W.R: ∠3:1Output impedance: 75Ω