SV 9335 Full HD Indoor Antenna Adjustable amplifier to boost signal gain up to 42dB Filter+ : Enhanced filter including GSM block filter, for crystal clear reception Antenna can be placed either horizontal or vertical for best reception Amplifier up to 42dB VHF, UHF and FM channels 1,5 Meter gold plated coaxial cable included Powered via DVB-T receiver or via included AC/DC adapter