The Monster Mounts Katana 50 Ultraslim Flat Amplified Antenna features CleanSignal technology that has been tested and improved countless times to ensure maximization of your HDTV experience and minimization of cost and frustration. Not only are all antennas created differently, but so are their cables. Monster uses only premium 11 ft. coaxial cables, featuring easy-twist connectors to ensure a reliable signal reception. />