Connecting to a Garmin BlueNet Network

  1. Connect the included network cable to the radome.
  2. Select an option:
    • For a GMR™ 18/24 xHD3 radome, route and connect the included Garmin BlueNet™ network cable to an open port on your Garmin BlueNet chartplotter or Garmin BlueNet 20 switch.

      NOTE: You do not need the included Garmin® Marine Network adapter when connecting the GMR 18/24 xHD3 radome to a Garmin BlueNet chartplotter or Garmin BlueNet 20 switch.
    • For a GMR 18 HD3 radome, route and connect the included Garmin Marine Network cable to an open Garmin Marine Network port on a Garmin BlueNet 30 gateway (not included).

  3. Tighten the locking rings on the connectors.
GUID-0436BE40-091E-49FE-9005-E50CFCABE751 v3
July 2026