Extension Cable f/500 Series VHF/AIS Antennas - 20&';An easy solution to extending the cable on Digital Antenna&';s 500 series VHF and AIS antennas. Simply connect the included double mini-UHF male adapter between the 500 series antenna&';s mini-UHF female connector and the 500 series extension cable&';s mini-UHF female connector. The cable&';s other end accepts the 500 series antenna&';s PL-259 adapter.All Extension Cables for 500 Series VHF/AIS Antennas Feature: Our exclusive low loss, tinned braid, foil shielded, UV stable RG-8X marine cable Factory attached mini-UHF female and mini-UHF female connectors DA624 mini-UHF double male adapter Specifications: Type: Extension Box Dimensions: 1"H x 11"W x 11"L WT: 0.6 lbs UPC: 839494001794 Brochure (pdf)