End-fed 1/2 wave. A favorite with sailboat owners, this light weight, low profile, stainless steel antenna was specially designed for masthead mounting. Hermetically sealed, tin-plated copper wire coil. Stainless steel body and whip. SO-239 connector. Mount: stainless steel "L" bracket supplied. The 5215CX shares the same features but comes with 60' RG-8/X low-loss cable and PL-259 connectors.