Terk antennas are designed to deliver sharp, clear, high definition signal reception. At Terk, the engineering department is dedicated to designing antennas that enhance both the latest technology and the aesthetics of any viewing environment. The HDTVi indoor antenna installs in minutes, is easy to use and simple to adjust. Features: Optimized for HDTV reception UHF and VHF elements for reception of all available broadcasts (channels 2-69) Highly directional UHF element reduces signal interference Specifications: VHF channels: 2-13 UHF channels: 14-69 Output impedance: 75 ohms Height with dipoles fully extended: 42" Manual included Warranty: one year parts