NMEA 2000® Backbone/Drop Cable Extend your NMEA 2000® backbone with Garmin s 13 (4M) backbone/drop cable. Compatible Devices: AIS™ 300/600 Blackbox Transceiver GBT™ 10 GCL™ 20 Low-light Imaging Camera GDL™ 40 GET™ 10 GFL™ 10 GFS™ 10 GHP™ 12 Autopilot System GHP™ 20 Marine Autopilot System for Steer-by-Wire Viking® and Yamaha® Helm Master™ GHP™ 20 Marine Autopilot System with SmartPump GMI™ 10/20 Marine Instrument GPS 19x NMEA 2000® GPSMAP® Series VHF 200/300 Marine Radio VHF 300 AIS WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov .