One Year Manufacturer"s warranty. Do you want to increase the reception of your radio"s whip antenna? Looking for a portable indoor AM or SW Antenna with an Easy Connection? ENHANCES PERFORMANCE AND RECEPTION - AM & SW Your Kaito KA-33 AM / Shortwave Antenna has tested among the best indoor world-band antennas. This active loop antenna will significantly improve your AM or SW performance and reception. EASY CONNECTION This portable antenna hangs from a window or a curtain and attaches directly to a 1/8" ANT jack or easily clips to your radio"s existing antenna. DESIGNED FOR INDOOR USE ONLY FREQUENCY RANGE Shortwave: SW 3.9 - 22 MHz Enhances the shortwave reception of any desktop or portable radio. The included ferrite bar antenna coupler can improve regular AM. WHAT"S INCLUDED - KAITO ACTIVE LOOP ANTENNA Ferrite bar antenna coupler for use on AM band Controlling unit, amplifying unit, suction cup, connecting cable, connector, soft antenna loop, clip and ferrite bar antenna coupler Two "AAA" required ( not included ) Dual Outputs Manufacturer"s limited 1 year Warranty