Harvest Wireless X50 V/UHF 2M/440 Dual Band Base Antenna Fiberglass radomes, stainless steel hardware wide band performance Factory adjusted, no tuning required High wind rating, band: 2m/70cm Gain (dB): 4.5(2 Meter) /7.2 (440Mhz), max power rating: 200 Height (feet): 5.6 , Connector: UHF