Comet Original GP-3 Dual Band 146/446 MHz Heavy-Duty Fiberglass Vertical Base Antenna - 5' 11", SO-239 Connector Dual Band Base Vertical 146/446MHz Gain: 146MHz 4.5dBi, 446MHz 7.2dBi VSWR: 1.5:1 or less, Max Power: 200 watts SSB/100W FM Length: 5 11 Weight: 2 lbs. 12 oz. Connector: SO-239 Construction: Heavy-duty fiberglass