Welcome to our store! 1. Compatibility: This backbone cable is compatible with Lowrance Networks, Simrad Networks, B&G Networks, Navico Networks, Garmin Networks, and NMEA 2000. 2. Premium Material: The backbone cable is made of premium ABS material, durable, oil-resistant, IP67 waterproof, high-tensile, and long-lasting. 3. Application: This backbone starter kit is suitable for communication and control of the two-way connection between the main line and the branch line. 4. Package: Includes 1 x 3-meter backbone cable, 1 x T-adapter, 1 x 4-way connector, 2 x termination resistors – everything you need. 5. Easy Installation: Easy installation, direct replacement for old or broken cables, no modification required, convenient to use. Item Type: Backbone Cable Material: ABS Number of Core Plugs: 5 Waterproof Grade: IP67 Wire Size: M12 Cable Length: Approx. 3 meters/9.84ft Applicable Scene: Suitable for NMEA 2000, Lowrance Networks, Simrad Networks, B&G Networks, Navico Networks, Garmin Networks, etc. Package Includes: 1 x Backbone Cable 1 x T-Adapter 1 x 4-Way Connector 2 x Termination Resistors Customer satisfaction is our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.