Harvest Wireless X30 V/UHF 2M/440 Dual Band Base Antenna 3.0dB (VHF) /5.5dB(UHF) Fiberglass radomes, stainless steel hardware wide band performance Factory adjusted, no tuning required High wind rating, band: 2m/70cm Gain (dB): 3.0(2 Meter) /5.5 (440Mhz), max power rating: 150 Height (feet): 4.5 , Connector: UHF