Everything you need to build your own NMEA 2000 network in one kit.This kit contains all the components you need to hook your GPSMAP and other devices into a basic NMEA 2000 network on your boat. Create your customized network and expand it with additional cables and devices (sold separately).Installing a NMEA 2000 system on your boat means having quick, reliable access to a multitude of data from all your devices at once. It means having a thoroughly interconnected and efficient system. Climb aboard and out of the stone age with this straightforward, basic, expandable setup.What's in the Box32' 9 5/8" Backbone cable6 1/2' Power cable6 1/2' Drop cablePower cable teeDrop cable teeMale terminatorFemale terminator