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; - cis2:mm5mnJlm -Specifications: Antenna Band: VHF; Color: Stainless; Construction: Stainless Steel; Length (Inches): 36"; Box Dimensions: 3"H x 3"W x 40"L WT: 2 lbs; UPC: 719441100803; Quick Guide (pdf)