Harvest Wireless X300 V/UHF 2M/440 Dual Band Base Antenna Overlapping outer shells for added strength strong waterproof joint couplings, high wind rating fiberglass radomes Stainless steel hardware wide band performance, factory adjusted, no tuning required High wind rating, band: 2m/70cm Gain (dB): 6.5 (2 Meter) /9.0 (440Mhz), max power rating: 200 Height (feet): 10, connector: UHF