The 5104, Classic 50 watt, 3Db gain 4 tall vertical VHF marine antenna is constructed with brass and copper elements, a chrome plated brass ferrule with 1″-14 threads and the white antenna is coated with a durable high gloss finish to ensure lasting beauty and provide years of service. Includes 15 feet of side-fed RG58 coax cable & loose PL259 connector. Recommended mounts: 4187 or 5187