COMMANDER TECHNOLOGIES' 220-SP Super Stationmaster omni antenna is designed to ensure consistent gain and impedance for a variety of applications. The VHF omnidirectional antenna operates in the frequency range of 165 – 174 MHz and features 5.25 dB gain, with N Female termination. The maximum power is 500 W. The antenna comes with Commander Technologies' 46 clamps for mounting.

With its broad frequency response, the Super Stationmaster base antenna is suitable for duplexed systems.