Raymarine 20M Backbone Cable f/SeaTalkng [A06037] Marine Navigation & Instruments | Transducer Accessories 2 3/4″(70 mm) Direct Reading

2 3/4″(70 mm) Direct Reading Dial

Quick-action handle makes operation easy

IP67 waterproof transceiver

Water Activated Emergency Strobe light

Raymarine 20M Backbone Cable f/SeaTalkng [A06037] Marine Navigation & Instruments | Transducer Accessories 2 3/4″(70 mm) Direct ReadingBackbone Cables In a SeaTalkng installation, a backbone cable runs through the length of the boat. Individual devices connect to the backbone by spur cables that run to T pieces on the backbone. The backbone carries both data and power to attached devices. The backbone should be sized so that it will run past every location where an NG or NMEA 2000 device might be installed. Two backbone cable lengths can be joined together by part A06030, a backbone