Features:1)Moistureproofsolidstructure2)Easytoinstallandoperate3)Bothremotecontrolallpositionturndirection4)Built-insuperlownoisefront-amplifier 5)Twoextensionantennawithhighsensibility6)UHF/VHFchannelsreceivableSpecifications:1)Gain:(40~110MHz) 10-15dB (170~230MHz) 22-26dB (470~890MHz) 16-24dB2)FrontBackRatio:UHF16~6VHF03) Output Impedance:75 FtypeConnector4)NoiseFigure:3.5~8dB5)Inputvoltage:AC110/220V/120mAorDC12V/65mA6)Package:Giftbox