Garmin GMR 18 xHD

Our next-generation, 4 kW high-definition GMR 18 xHD dome radar pairs ease of use with advanced open-array features.

Its intuitive operation makes modes and settings simple to understand so you can enjoy great performance without a lot of technical know-how.

The GMR 18 xHD delivers higher resolution than our previous generation 18” dome radars. New Dynamic Auto Gain and Dynamic Sea Filter continually adjust to your surroundings, providing optimal performance in varying conditions.

Choose from multiple levels of aggressiveness or use manual gain adjustment. Dual range operation allows fully independent split-screen display of far and close radar views in full 8-bit colour (select chartplotters); range of 48 nm.

“No Transmit Zone” protects areas behind the radar from being radiated while providing full forward-looking radar capability. This makes installation more flexible by providing more suitable installation options on your boat.


Features:

- 4 kW high-definition 18” dome radar

- Step up to xHD performance in a radome

- Dynamic new shape for improved look and antenna performance

- No complex user settings, easy to install and start using

- New Dynamic Auto Gain and Dynamic Sea Filter continually adjust to your surroundings to provide optimal performance in varying conditions

xHD performance in a dome:

High resolution (1440 display spokes vs. 720 on HD domes, draws detail down to ¼ of a degree vs. ½) to provide improved target separation and finer shoreline detail. 8-bit true color helps differentiate large targets from small ones and aids target separation.

Dual Range Operation:

Simultaneously view both short and long ranges. You can keep a close eye on your immediate surroundings while also knowing what’s happening farther out. It’s like having 2 radars for the price of one.

Radar Overlay:

Overlays radar returns over the top of your navigation charts to provide the best of both GPS and radar. You’ll have greater confidence in the accuracy of your charts when the radar paints the same markers and shorelines.

It also helps you discern which radar returns are known charted objects and which are boats or other collision threats.

Dynamic Auto Gain and Sea Filter:

Automatically adjusts to your surroundings for optimal performance in all conditions. Dynamic Auto Gain maximizes your ability to see distant targets while limiting excess clutter on the screen.

Dynamic Sea Filter reduces the returns caused by nearby waves in heavy seas. You can choose from multiple levels of aggressiveness or use
manual gain adjustment.

Mini-Automatic Radar Plotting Aid (MARPA):

Identify and track targets that might pose a collision threat. Targets are manually selected, but then the radar automatically tracks their location, speed, and direction over time.

MARPA tells you the closest point of approach and time to that point if you continue on your current route so you can make adjustments for safety. It also alerts you when targets become dangerous or violate a safe proximity of your boat.


Specifications:

Physical & Performance:

- Weight: 7.7 kg

- Water rating: IPX7

- Rotation speed (RPM): 24/48 rpm (dual rotation)

- Transmit power: 4 kW

- Power input: 10.5-35 V DC, 33.5 W

- Beam width: 5.2° horizontal, 25° vertical

- Maximum range: 48 nm

- Minimum range: 20 meters

- Radar type: Radome

- Power consumption: 30 W typical; 48 W max

- Antenna length: 17´ (43.18 cm)

Features & Benefits

- 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

Additional:

- Radar Overlay Support: yes

- Dual Range Support: yes

- Dynamic Auto Gain: yes

- Dynamic Sea Filter: yes

- Timed Transmit: yes

- No Transmit Zone: yes

- Color: 8 bit

- Radar overlay support: Yes

- Dual range support: Yes

- No Transmit Zone: Yes


Whats in the Box:

- GMR 18 xHD

- Mounting hardware kit

- Power cable (15 m/49.21 ft)

- Network cable (15 m/49.21 ft)

- Installation instructions

- Mounting template

- Grommet for marine cable


Compatible Devices:

GPSMAP 1020
GPSMAP 1020xs
GPSMAP 4008
GPSMAP 4010
GPSMAP 4012
GPSMAP 5008
GPSMAP 5012
GPSMAP 5015
GPSMAP 6008
GPSMAP 6012
GPSMAP 7012
GPSMAP 7015
GPSMAP 720
GPSMAP 721
GPSMAP 721xs
GPSMAP 750
GPSMAP 750s
GPSMAP 751
GPSMAP 751xs
GPSMAP 8008 MFD
GPSMAP 8012 MFD
GPSMAP 8015 MFD
GPSMAP 820
GPSMAP 820xs
GPSMAP 8500 Black Box
GPSMAP 8530 Black Box

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