Garmin Marine Network Cables w/ Small Connector - 12m
Garmin GPSMAP® 3210 [9/10] Garmin marine network
Garmin GPSMAP® 4210 [14/24] Every device connected to the garmin marine network must be connected to the power supply for the boat this diagram shows the network connections however it does not
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NMEA 2000® Network Updater | Garmin
Amazon.com: Garmin Marine Network Adapter Black Small : Electronics
NMEA 2000 : "I designed and installed my electronic network on my boat"