HDTV(digital signal) & Analog signal (1) With amplifier Receiving range: UHF/VHF/FM Frequency: UHF 470-862 MHz VHF 40-230 MHz antenna gain: 25-28 dB output impedance: 75 Ohm noise figure: < 2.0 dB active antenna: AC 220V DC 12V (External adaptor) (2) Without amplifier Receiving range: UHF/VHF/FM Frequency: UHF 470-862 MHz VHF 40-230 MHz antenna gain: 5-8 dB output impedance: 75 Ohm noise figure: < 2.0 dB