GMR™ 18 HD+

COMPACT, STREAMLINED 4-KW DOME RADAR

• If your boat has limited space for radar placement, this compact dome is for you.
• It packs the power and echo definition you need, at all ranges.
• When weather and sea conditions shift, the gain and sea filter do too — automatically.
• Add even more detail to your chartplotter’s map page with radar overlay.

Compact and Powerful
This 18-inch dome radar delivers 4-kW transmit power and clear echo definition at all ranges. It has a maximum range of 36 nautical miles (66 km), a 20-metre minimum range and a rotation speed of 24 RPM.

See Clearly
GMR 18 HD+ features 8-bit true colour resolution for a clear presentation on your chartplotter screen.

Intuitive Operation
This radar doesn’t have any complex user settings to deal with, so it’s easy to install and start using.

Dynamic Auto Gain
Gain levels automatically adjust to optimum settings for harbours, near shore and offshore in open waters.

Dynamic Sea Filter
Gain automatically adjusts sea clutter for calm, medium and rough sea conditions.

Radar Overlay
Overlay radar images onto your chartplotter’s map page. You can add an optional autopilot or heading sensor (sold separately) for best results.

MARPA Target Tracking
GMR™ 18 HD+ provides MARPA target tracking when combined with a multifunction display and heading sensor (sold separately).

General

Physical Dimensions	20″ diameter, 9.8″ high (50.8 cm diameter, 24.8 cm high)
Weight	17 lbs (7.7 kg)
Water Rating	IPX7
Peak Transmit Power	4 kW
Antenna Length	17″ (43.18 cm)
Rotation Speed (RPM)	24 rpm
Beam Width	5.2° horizontal, 25° vertical
Maximum Range	36 nm
Minimum Range	20 Meters
Radar Type	Radome

Electrical

Power Input

11-35 V DC

Radar Features

Overlay	✓
Dual Radar Support	✓
Autogain	✓
MARPA with Auto Acquisition	Yes (Requires Heading Sensor, Sold Separately)

In the Box