GARMIN GMI 20 NMEA Compatible Marine Instrument
The GARMIN GMI 20 is a marine instrument featuring a bright 4-inch color display designed for NMEA 2000 compatibility. This device provides essential data for marine navigation and is typically installed in the helm area of boats.
Compatibility & Applications
- Mounts in the helm area of sailboats and powerboats.
- Pairs with NMEA 2000 networks for integrated navigation data.
- Fits standard instrument panels for easy retrofitting.
- Replaces older GARMIN GMI models without additional modifications.
- Integrates with multifunction displays for enhanced functionality.
- Wires to 12V DC power systems commonly found in marine applications.
The unit provides real-time data visualization for speed, depth, and wind conditions, making it a practical choice for marine navigation. Its NMEA 2000 compatibility allows for integration with existing onboard systems, facilitating a streamlined setup for retrofitting older instruments.







