Super Wide Band SMA Radio Scanner Telescopic Antenna - Comet SMA-W100RX - SMA WideBand telecopic High Performance Antenna for Radio Scanner Receivers Unique double pivot design allows use on both Handhelds & desktop Scanners! Length is approx. 40 inches when fully extended, has an "SMA" antenna connector, Fits BCD-396XT, Home Patrol, BC-346XT & other "sma" jack Scanners! Pulls in some of those weak/distant signals that shorter antennas have trouble with. Can be used at various extended lengths, Receives 25-1300Mhz.