BNC Antenna Adapter for Rugged V3 and RH5R Handheld Radio Garmin The CM300D is the choice

The CM300D is the choice of top professionals and racers all over the world

Smart Gasket Design: Double layer of weatherproof UV-rated gaskets features a separation allowing for installation without disconnecting existing vehicle wires

Reduced wind noise disturbance

Note: NASCAR helmet kits are common grounded and may not work with all radios

USB charging cable is included with each R1 radio and available separately here

BNC Antenna Adapter for Rugged V3 and RH5R Handheld Radio Garmin The CM300D is the choiceBNC connector for use with the Rugged Radios RH 5R & V3 Dual Band handheld radios. A BNC Connector is a miniature quick connect disconnect radio frequency connector used for coaxial cable. It features two bayonet lugs on the female connector. Mating is fully achieved with a quarter turn of the coupling nut. The BNC provides convenient connections to antennas and coax cables.