Smiley 160xx Slim Duck 6dB VHF Portable Antenna (with choice of connector)

6dB gain specifically tuned to cover 157-163MHz VHF commercial band (railway, forestry, transportation) for maximum performance
Super heavy duty MIL-Spec design survives demanding environments
Includes choice of either SMA (male/female), BNC Male, or MX style connector to suit your radio.