Winegard LNA-100 Boost TV Antenna Amplifier, HDTV Signal Booster, HD Digital VHF UHF Amplifier, Indoor HDTV Ultra Low Noise Amp (USB Power Supply) - USA HDTV Antenna Amplifier - The Winegard Boost TV signal booster enhances any indoor non- amplified antenna, delivering more range and available channels. Delivers a crystal clear signal, watch more channels than with an antenna alone. Amplified Clear Circuit Technology - Boost Clear Circuit Technology features the lowest noise figure (1db typical) to deliver more range and reduce signal dropout and pixelation. The Boost preamplifier enhances any non-amplified antenna. In The Box - Includes Winegard Boost LNA-100 indoor digital TV antenna amplifier, energy saving USB power cable with LED power indicator, 110V adapter and printed documentation.Gain (typical): 20 dB,Power: +5V Winegard Boost Warranty and Support - The LNA-100 digital antenna booster comes with a 1 year parts and labor limited warranty and complimentary telephone and email support. Winegard TV Antenna Experts - Leading US designer and manufacturer of quality TV antenna and signal equipment since 1954. Designed and built in the U.S.A.