Shakespeare - PL-259-G Standard Marine Radio - Antenna Connector - PL-259-G. Shakespeare offers an extensive line of marine grade connectors and adapters for antenna installations. Our new connectors are gold-plated brass to better withstand the elements and to minimize traditional connector-borne signal loss.. PL-259-G is a gold-plated, solder-type PL-259 connector for RG-8/AU and RG-213 coax.