Digital/Indoor TV Antenna with FM, VHF or UHF Receiving Range, Main Voltage of 110/220V AC or 12V DCFrequency: 45 to 910MHz Input impedance: 75Ω Gain: 2 to 3dB VSWR: ≤1.5 Receiving range: FM, VHF or UHF Main voltage: 110 to 220V AC or 12V DC Packing: color box .