Raymarine Sea Talk-Ng Spur Cable, 1m
Size:1m Seating spur cable, 3' 3 inch (1 M), Mfg# A06039, used to connect individual sea talk-ng devices to the backbone. For use with E & C Series widescreen, G Series, and St70 systems.
Reviews around option (5.00 of 5)
Expensive, but there are no other options available out there, if you own Raymarine instruments.