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, European DVB, etc. 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, European DVB, 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