Harvest Wireless X700H Heavy Duty/High Gain Dual Band Base Antenna 2M/70cm heavy-duty 24' vertical base antenna; n-connector strong waterproof joint couplings, high wind rating Iberglass radomes stainless steel hardware wide band performance, factory adjusted , no tuning required High wind rating, band: 2m/70cm Gain (db.): 9.3(2 meter) /13.0 (440Mhz), max power rating: 200 Height (feet): 424 with connector