Garmin BLUENET 20 Installation Instructions Manual Download Page 1

GARMIN BLUENET

 20 SWITCH

INSTALLATION INSTRUCTIONS

Important Safety Information

 WARNING

See the Important Safety and Product Information guide in the product box for product warnings and other 
important information.
Failure to install this device according to these instructions could result in personal injury, damage to the vessel 
or device, or poor product performance.

 CAUTION

To avoid possible personal injury, always wear safety goggles, ear protection, and a dust mask when drilling, 
cutting, or sanding.

NOTICE

When drilling or cutting, always check what is on the opposite side of the surface to avoid damaging the vessel.

Garmin BlueNet 20 Switch Overview

The Garmin BlueNet 20 switch allows for communication between Garmin

®

 devices using Garmin BlueNet 

network technology. This device is compatible only with Garmin BlueNet devices and cannot be used to connect 
a legacy Garmin Marine Network device to a Garmin BlueNet device directly. If your network contains devices 
using both types of network protocols, you must use a Garmin BlueNet 30 gateway (sold separately) to enable 
communication between the devices. To learn more about Garmin BlueNet network technology, go to 

garmin

.com/manuals/bluenet

.

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September 2023

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