Great replacement antenna for scanners that have a SMA connector. Comet SMA-W100RX2 NEW VERSION Telescoping Handheld Antenna Dedicated Receive/Scanner Antenna for 25MHz-1300MHz. Telescoping element is marked to adjust the length and optimize the receive abilities at specific frequency ranges. New Rotatable Element and Double fold-over hinge for convenience. Extended length: 40 inches Collapsed length: 8 inches Connector: SMA Male