The Ancor NMEA2000 Backbone T-piece is an essential component for any NMEA2000 network. It allows you to connect two NMEA2000 cables with a single backbone cable. This is useful for extending your NMEA2000 network or connecting multiple devices. The Ancor NMEA2000 Backbone T-piece is made of high-quality materials and is designed to last. It is waterproof and dustproof, so you can trust it to keep your NMEA2000 network in good condition. The Ancor NMEA2000 Backbone T-piece is easy to install. Just connect the two NMEA2000 cables to the respective ports and you are ready to go. Features: Connects two NMEA2000 cables to a single backbone cable Made of high-quality materials Waterproof and dustproof Easy to install Specifications: Material: Polycarbonate Dimensions: 2.5 x 2.5 x 1.5 cm (1 x 1 x 0.6 inches) Weight: 10 grams (0.35 ounces) Applications: Extending an NMEA2000 network Connecting multiple devices to an NMEA2000 network Compatible with: All NMEA2000 devices