Comet Original BNC-W100RX 25MHz-1300MHz Handheld Scanner Antenna Extended Length: 40": Collapsed Length: 8" BNC Male 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 a "BNC" antenna connector Pulls in some of those weak/distant signals that shorter antennas have trouble with Can be used at various extended lengths, Receives 25-1300Mhz.