VECTORCOM 50 Miles Range Amplified HDTV Antenna Indoor Antenna Ultra Thin HDTV Antenna With Detachable Amplifier Singnal Booster TRD-3907A Picks up and amplifies the over-the-air digital TV signals from nearby broadcast towers, terrain and other factors and enables you to watch your favorite shows in full 1080p HD for free. Features an AC powered amplifier with a gain of 25 dB; range of reception reaches up to 50 miles to pull in TV programs. Enjoy top-rated HDTV network programming and your favorite shows for Free with no monthly fee or subscription. Easy Installation & Setup:Can be installed in 3 simple steps: just connect the coaxial cables and AC adapter, position the antenna, scan for channels on your TV, and enjoy. Ultra-thin design and 10-foot coaxial cable offer outstanding flexibility in placement; can be hung on the wall or window, or laid on any flat surface of furniture.