Garmin Network

Garmin Marine Network Cables & Components

Garmin's proprietary networking cables and components for connecting chartplotters, radar, sonar, and other Garmin marine electronics. Our Garmin Network collection features:

  • Garmin Network Cables - Proprietary networking cables in various lengths
  • Network Switches - Expand your Garmin network
  • Network Adapters - Connect different Garmin components
  • Power/Data Cables - Combined power and data connections

Garmin networking provides high-speed data transfer between Garmin components with reliable, waterproof connections designed for marine use.

Garmin Integration: Part of our Networking collection. Essential for Garmin GPSMAP, ECHOMAP, and other systems. Combine with NMEA 2000 for multi-brand integration. Compare with RayNet or Navico Ethernet networking.

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Untangling Garmin's networking cables

Garmin has used more than one networking standard over the years, so check which your equipment uses before ordering: older devices use the 6-pin Garmin Marine Network, and newer chartplotters and sonar modules increasingly use Garmin's Ethernet-based network with its own connectors. The two are not directly interchangeable without an adaptor.

A network switch is worth adding as soon as you have more than two or three devices sharing the backbone, since daisy chaining everything through a single cable run makes fault finding harder and can affect data throughput. Power/data combination cables save a separate run but are only suitable where the device actually needs both over the same cable.

Where your system mixes Garmin with other brands, NMEA 2000 remains the common ground for basic data such as GPS position and depth, even though Garmin's own network is needed for full chartplotter and sonar integration between Garmin devices themselves.