Garmin GMR 18 HD+ Radar

This Garmin GMR 18 HD+ radar is perfect for boats with restricted room for placement of radars. It features 8-bit true colour resolution which provides clear presentation on your chartplotter screen. It has a minimum range of 20 metres and a maximum range of 36 nautical miles. With a rotation speed of 24 RPM the radar is easy to install and use.
 

Garmin GMR 18 HD+ Radar Features

 

• Streamlined 18-inch 4 kW dome radar.
• Delivers 4 kW transmit power and clear echo definition at all ranges.
• Dynamic Auto Gain automatically adjusts to your surroundings for optimal performance in all conditions.
• Dynamic Sea Filter automatically adjusts gain to changing sea conditions.
• Overlays radar image on the chartplotter map page (autopilot or heading sensor recommended for best results).

Garmin GMR 18 HD+ Radar Specifications

 

Physical dimensions	20" diameter, 9.8" high (50.8 cm diameter, 24.8 cm high)
Weight	17 lbs (7.7 kg)
Water rating	IPX7
Power consumption	30 W typical; 48 W max
Antenna length	17" (43.18 cm)
Rotation speed (RPM)	24 rpm
Power input	11-35 V DC
Beam width	5.2° horizontal, 25° vertical
Maximum range	36 nautical miles
Minimum range	20 meters
Radar type	Radome
High definition (outstanding target separation with less screen clutter)	Yes
MARPA target tracking (collision avoidance)	Yes (requires heading sensor, sold separately)
Guard zone alarm	Yes
Colour	8 bit
Radar overlay support	Yes