COMMANDER TECHNOLOGIES' 220-3AN Super Stationmaster omni antenna designed to ensure consistent gain and impedance for a variety of applications. The VHF omnidirectional antenna operates within the frequency range of 150.5 – 158.5 MHz and features 5.25 dB gain, with an N Female connector. The maximum power is 500 W. The antenna comes with Commander Technologies' 46 clamps for mounting.brbrThe Super Stationmaster base antenna with its broad frequency response is suitable for duplexed systems.