Humminbird - NMEA 2000 Drop Cable - 10M - 720117-4. This 10 meter NMEA 2000 drop cable offers connection between a NMEA 2000 device and T-connector. The couplers connect to the corresponding T-connectors, creating a simplified installation.. Features:. Includes (1) NMEA 2000 drop cable. Cable length: 10 meter (32.8 ft). 1-Year Limited Warranty