Standing 47 cm tall, ZM312V is a wire wound fibreglass whip with white heatshrink cover and factory tuned for VHF marine communications across the 156 to 162 MHz band. The whip mounts onto the white OB-3 base supplied which has stainless steel and brass components to ensure long term service in the harsh marine environment.

The antenna is not ground independent and therefore must be mounted on a metallic surface at least 0.5 metres square for effective performance. Typical mount positions would be on the deck or cabin of an aluminium or steel boat.

5 metres of white RG58 low loss stranded cable bottom exits from the OB-3 antenna base and an FME female connector is fitted to the cable for easy installation.

An FME male to UHF male adaptor is also included in the kit to provide another common connector option.