Garmin GMR 18 HD3 Dome Radar

Affordable, High-Definition Magnetron Radar

The Garmin GMR18 HD3 Dome Radar delivers clearer and more defined images to your compatible Garmin chartplotter, enhancing situational awareness on the water!

With 4kw of transmitting power, the GMR 18-HD3 offers a range of 20 meters up to 36 nautical miles away providing you with peace of mind knowing what obstructions may be in your path. The GMR 18HD3 has self-contained signal processing that provides an ideal “plug-and-play” addition to your Garmin Marine Network.

MARPA Target Tracking. Marpa tracks selected targets and keeps track of their position to help in avoiding collisions (Heading Sensor Required, sold separately).

The Drive Motor of the GMR HD3 radome spins at a fixed 24 Rotations per minute creating a low noise environment with minimal power consumption.

Dynamic sea filter and auto gain adjustments are made automatically within the radar adjusting itself to the current sea conditions providing you with the utmost performance at an affordable price.

The Garmin GMR 18HD3 is the perfect option if you’re looking for an entry level radar that won’t break the bank, but also offers exceptional performance when you need it most!

The Garmin GMR 18 HD3 is a high-definition magnetron radar with a 36nm range and 5.2-degree horizontal beamwidth. Features include dynamic auto gain, dynamic sea filter and low-noise scanning. This affordable radar provides powerful scanning features that allows for increased situational awareness on the water!