General
Physical Dimensions
20" diameter, 9.8" high (508 mm diameter, 248 mm high)
Weight
7kg
Water Rating
IPX7
Antenna length
17" (43 cm)
Rotation Speed (RPM)
24 rpm
Beam Width
5.2° horizontal, 25° vertical
Maxmium Range
36 nm
Minimum Range
20 meters
Radar Type
Radome
Electrical
Power Input
11-32 V DC
Power Consumption (Standby)
15 W
Typical Power Consumption (Transmitting, Normal Mode)
40 W
Transmit Power
4 KW
Radar Features
Overlay
Yes
Dual Radar Support
Yes
Autogain
Dynamic
MARPA Target Tracking
Yes (Requires Heading Sensor, Sold Separately)
General
Dual-Radar Support
Using dual radar provides redundancy and allows each display unit on the boat to pull data from one of two different radar sources.
Dynamic Auto Gain
Gain automatically adjusts levels to optimum settings.
Dynamic Sea Filter
Radar 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
MARPA tracks selected targets to help keep track of other vessels and avoid collisions (with appropriate sensors, sold separately).
Low-Noise Scanning
The reliable GMR HD3 dome drive motor spins at a fixed 24 rpm, offering reliable, low-noise operation and minimal power consumption.
Compact and Powerful
4kW of transmit power, 36-nautical mile maximum range and clear echo definition at all ranges.
Close-In Target Scanning
Minimum scanning range of 20 meters for excellent short-range detection and target detail.
High-Resolution Radar
8-bit true color for outstanding target separation with less screen clutter.
Timed Transmit Mode
Specify transmit times down to the seconds to help reduce power consumption.
Intuitive Operation
No complex user settings, so it’s easy to install and start using.
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GMR 18 HD3 dome radar
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Power cable (15 m/49.21 ft)
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Network cable (15 m/49.21 ft)
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Installation instructions
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Mounting hardware kit and template