Features: 1Fitment: Drop cable fits for Lowrance Networks, for Simrad Networks, for B G Networks, for Navico Networks, for Garmin Networks, for NMEA 2000. 2Premium Material: Backbone cable is made of premium ABS material, wear resistant, oil resistant, IP67 waterproof, high toughness and durable. 3Application: Backbone starter kit is suitable for the communication and control of the 2 way connection between the main line and the branch line. 4Package: Include 1pcs 3 meters backbone cable, 1pcs tee adapter, 1pcs 4 way connector, 2pcs termination resistor, can meet your needs. 5Simple Installation: The installation is simple, direct replacement for the old or broken one, no modification is required, convenient for using. Package included: 1 x Backbone&nbspCable 1 x Tee Adapter 1 x&nbsp4 Way Connector 2 x Termination Resistor