Garmin GMR 18 HD3 Radar Dome

The GMR 18 HD3 is an advanced 18" radar dome designed for mariners seeking high-definition imaging and enhanced target detection. With a robust 4-kW radar engine, it provides reliable maritime situational awareness even in low-visibility conditions.

Featuring dual radar support, it allows multiple chartplotters to connect to two different radar sources, ensuring redundancy. The Dynamic Auto Gain and Dynamic Sea Filter ensure optimal performance by automatically adjusting settings based on environmental conditions. Keep track of surrounding vessels with MARPA technology and display radar images over your charts for an enhanced navigation experience (requires heading sensor, sold separately).

Easy installation and low-noise operation make this radar dome a perfect choice for various boating applications.

• GMR 18 HD3 dome radar
• Power cable (15 m / 49.21 ft)
• Network cable (15 m / 49.21 ft)
• Installation instructions

• 18" radar dome with 4 kW power output
• Improved target detection on Garmin devices
• Dual radar support for enhanced redundancy
• Dynamic Auto Gain optimizes performance
• Dynamic Sea Filter adjusts clutter automatically
• MARPA technology for tracking vessels
• Radar overlay functionality for enhanced mapping
• Low-noise operation for quiet performance

Product Tags

Garmin GMR 18 HD3 Radar Dome