Garmin's standard 1" OD pipe-threaded pole mount lets you mount your compatible device and route a NMEA 2000 audio cable through the pole.
GPS 17x HVS
GPS 19x HVS
GPS 19x NMEA 2000
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.