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 transceivers Sealed, tin-plated copper wire coil Stainless steel whip (36") Requires mount with center hole for passage of the supplied 15 RG-58 cable. One section PL-259 connector included Specifications: Cable Type: RG-58 Cable Length (Feet): 15 Antenna Band: VHF Color: Stainless Construction: Stainless Steel DB Gain (dB): 3dB Length (Inches): 36 Box Dimensions: 3"H x 3"W x 40"L WT: 2 lbs UPC: 719441100803 Quick Guide (pdf)