Shakespeare 5250-AIS Skinny Mini3ft. VHF Marine Band 3dBEnd-fed 1/2-wave stainless steel whipDesigned to meet the broader bandwidth requirements of all popular AIS transceivers, this antenna mounts with ease. Its compact size will be welcome aboard any vessel. Chrome plated brass canister minimizes de-tuning.Built for AIS transceiversSealed, tin-plated copper wire coilStainless steel whip (36")Requires mount with center hole for passage of the supplied 15' RG-58 cable.One sectionPL-259 connector included