Need a little more cable? This 5 meter extension cable can help. Cable has 12-pin connector. Compatible with GWH 20 Wireless Hub, VHF 200, VHF 300 AIS and VHF 300 Marine Radios.
Audio Extension Cable (5m) for Garmin VHF Radios
GWH 20 Wireless Hub
VHF 200 Marine Radio
VHF 300 AIS