Digital Amplified HDTV Antenna indoor - 40 Miles Range with 6 feet Coaxial Cable Power Adapter- Silver Slim and High Performance design for the HDTV antenna indoor. 40-Mile range to access from broadcast tower. This stand digital hdtv antenna allows you to pick up free high quality digital TV signals and digital radio signals from local broadcast/TV tower. Support frequency of VHF(174-216MHz) and UHF(470-698MHz). Before buying it, you need to find out how many Channels are available in your area. Enter your zip code (or address,city,etc) into disablemycable.com/station-finder/. Channel reception depends on what's being broadcast in your area, how far away you are from towers, your surroundings, local weather and other factors. Please visit: antennapoit.com to find out how many transmitters are available in your area. Also can check the distance from your area to transmitters towers. How to Set Up Your TV Antenna: hooking up the KPTEC indoor antenna to your TV is pretty easy. Simply screw the antenna's coax cable into the "ANTENNA/CABLE" plug at the back of your TV, and plug powered into the wall for power. Scanning for channels on your TV. It required tweaking your antenna position until you get good reception.