This booster can be used for both CATV and UHF terrestrial digital antennas. It was removed by an electrician. It is used. The power supply unit can be removed and installed in the attic, etc. Everything in the images is included, and there is no instruction manual. Please refer to the website for details. It does not support BS/CS digital. Operating frequency: 70-770MHz Standard gain: 25-30dB CATV up switch included Separate use compatible AC100V power supply Please refrain from purchasing if you are sensitive to used items. No smoking or pets!!!