Garmin 19 Pin Threaded Power/Data/Sonar Cable for GPSMAP 720/740

Garmin NMEA 2000 Starter Kit

Garmin's starter kit has everything you need to build a basic NMEA 2000 network on your boat. The kit includes an NMEA 2000 drop cable (2 m), backbone cable (6 m), power cable (2 m), 2 T-connectors, and male and female terminator connectors.