AIS Marine boat antenna Scout KS30 3' 3".Pressure foam injected Pressure Foam Filled protecting the element, 100% WATERPROOF UV protection high gloss finish, Universal 1/14 mounting thread 16 feet top performance Scout RG 58 CU MIL Coax cable Frequency: 161,975-162,025 MHz, Impedance: 50 ohm, Gain: 3dB Whip material: Fiberglass. Ferrule: Reinforced nylon, Length: 3 feet 3inch (0.9,)