NMEA 2000 (National Marine Electronics Association) Cables and connectors are industry standard for data communications amoung shipboard electrnic devices,Many kinds of products suit for it,suh as NMEA Network cable,M12 Tee Connector, 120ohm terminators,NMEA signal power cable,,devicenet 7/8" 5Pole and etc,cable materials,cable length,cable jack we could acording to customer requirements to customized,High quality,factory directly.Simply put, any NMEA 2000 certified device (sensor, sonar, GPS, multi-function gauge, etc.), regardless of brand, will share and/or display user-selectable data with any or all other display instruments installed in a NMEA 2000 network.Boat owners can purchase affordable and easy-to-install intelligent sensors (Electronic Probes) to monitor an array of vital engine and boating functions