1High Compatibility: Suitable for Nmea 2000 certified, for Lowrance Networks, for Simrad Networks, for B&G Networks, for Navico Networks, for Garmin Networks, 2Function: For Nmea 2000 multiport tee connector is especially designed to an for Nmea 2000 backbone systems serve, and proper termination of an for Nmea 2000 network. 3Important Part: Suitable for the 2 way connection of communication and control between the main line and the branch line, and is one of connectors for the on site communication and control of ships or yachts. 4Design: 4 way tee connector with nuts connects to corresponding Ancor tees and backbone cables, creating a simplified coded network installation. 5Excellent Performance: For N2K 4 port tee connector is engineered with 5 pin, IP67 waterproof for durability and reliability, stable performance and high efficiency.