Furuno FM4850 Black Box VHF Radio w/GPS, AIS, DSC & Loudhailer PMTOPS3 The inverter/charger connects to the

The inverter/charger connects to the neutral and the preferred input line (L1)

eliminating the need to create perfect cut-outs (like with the Color Control GX)

low-profile antenna is optimized for mast installation

surfboards

Fully automatic/multi-stage charging

Furuno FM4850 Black Box VHF Radio w/GPS, AIS, DSC & Loudhailer PMTOPS3 The inverter/charger connects to theFM4850 Black Box VHF Radio with GPS, AIS, DSC & Loudhailer The Ultimate 5 In 1 Tool of VHF Radios The FM4850 is a marine Black Box VHF radiotelephone with built in Class D DSC, AIS Receiver, and Simplified Loud Hailer with intercom. Its compact housing enables it to be installed in a variety of craft, even vessels where space is limited, such as center console boats. The FM4850 handset shares a common appearance with other Furuno equipment, such as