Covers AIS band & all VHF marine band frequencies; Premium base loading coil with triple chrome-plated brass bass & top; 2.5dBd gain; 1/2 wave; No ground plane; 39.75″ tall; 36.25″ stainless steel whip; 15ft low loss RG-58A/U coaxial cable with a PL-259 on each end; Stainless steel L-bracket for side or mast mounting;