Indoor TV antenna SMD technology Different color painting available Separate input for external antenna Gain control and LED power-on indicator Easy to install and convenient to use Excellent reception for digital terrestrial Built-in high gain and low noise adjustable amplifier Suitable for HDTV of various television standard, such as American ATSC, EuropeanDVB, etc. Specifications: Frequency Range : 40-862MHz Receiving Range : UHF/VHF/FM Gain : VHF:22dB UHF:26dB Output Impedance : 75Ω Noise Figure : ≤6.5dB Power Supply : AC110V/230V 3.5W DC12V/100mA Turning Degree : VHF:360 UHF:90