TV antenna Amplifier; CATV signal amplifier High quality ,competitive price CE,ROHS TV antenna Amplifier; CATV AmplifierAmplifier (Antenna Amplifier, power amplifier) Circuit Board, Low Noise Amplifier, Amplifier, Antenna Circuit Boart ... Ω,9.5mm female X 2Power souce : 230VCA 50HZ 2.5W Tv antenna amplifier