Connecting to a Garmin Marine Network

  1. Connect the included network cable to the radome.
  2. For a GMR™ 18/24 xHD3 radome, make sure the included Garmin® Marine Network adapter cable is connected to the other end of the network cable.
  3. Route and connect the network cable to an open Garmin Marine Network port on your chartplotter or GMS™ 10 network port expander.
  4. Tighten the locking rings on the connectors.
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July 2026