Terk HDTVAZ Amplified Indoor HDTV Antenna refer the resources at the bottom of the page for proper usage Supports up to 1080i HDTV broadcasts for high-quality picture and sound - within 45 miles of the towers. DISCLAIMER: Reception quality and channels received will depend on distance from towers, broadcast power, terrain and other factors. UHF and VHF elements for reception of all available broadcasts (channels 2-69) Highly directional UHF element reduces signal interference - delivers maximum gain Integrated amplifier boosts weak signals and preserves signal purity Great complement to streaming players and a dependable source when storms knock out cable or satellite television Designed and engineered in the USA and meets or exceeds CEA performance specifications for indoor antennas