Garmin GMR 18 HD

Sharpen your radar picture with high definition performance. The GMR 18 HD radar offers a whole new level of radar scanning capability.

Get Powerful Performance

The GMR 18 HD features high-powered Digital Signal Processing, providing sharper radar imagery and improved target separation.

This 18´ (45.7 cm), 4 kW high definition radar has a 36 nm range, bringing radar images into even clearer focus. With automatic pulse optimization technology, the radar matches pulse widths and repetition rates with the nautical mile range that is selected. Combine that with the antenna’s 5 degree beamwidth, and you’re looking at the best weather penetration and target definition in its class.

To help you avoid traffic on the water, the GMR 18 HD provides MARPA target tracking when combined with a multi-function display and an optional heading sensor.

MARPA tracking allows you to track the bearing, course, speed and predicted closest approach of up to 10 targets. In addition, like all Garmin radars, the GMR 18 HD has self-contained signal processing, which provides you with a more precise, easy to read signature.

Connect to the Garmin Marine Network

The GMR 18 HD transmits data over the Garmin Marine Network, a 100 MB plug-and-play proprietary network that gives you the ability to expand your boat’s system as needed.

Once connected to the network, you can use any network-compatible Garmin chartplotter as your radar screen. And as an aid to locational awareness, you can overlay the GMR 18 HD radar image on the chartplotters map page.

You also can split the on-screen display so you can view the map and the standard radar page simultaneously.


Specifications:

- Weight : 15.8 lb (7.2 kg)

- Waterproof : Yes (IPX7)

- Antenna sweep : 24/30 rpm (dual rotation)

- Transmit power : 4 kW

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

- Beam width : 5.0° horizontal, 25° vertical

- Maximum range : 36 nm

- Minimum range : 20 meters

- Garmin Marine Network compatible : Yes

- 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 : Connector with removable collar Radar Temperature Range: -15C to 60C


Whats in the box:

- GMR 18 HD

- Mounting hardware kit

- Power cable (15 m/49.21 ft)

- Network cable (15 m/49.21 ft)

- Installation instructions

- Field install RJ-45 network cable connector

- Mounting template

- Grommet for marine cable


Compatible with:

GPSMAP 3006C
GPSMAP 3010C
GPSMAP 3205
GPSMAP 3206
GPSMAP 3210
GPSMAP 4008
GPSMAP 4010
GPSMAP 4012
GPSMAP 4208
GPSMAP 4210
GPSMAP 4212
GPSMAP 5008
GPSMAP 5012
GPSMAP 5015
GPSMAP 5208
GPSMAP 5212
GPSMAP 5215
GPSMAP 6008
GPSMAP 6012
GPSMAP 6208
GPSMAP 6212
GPSMAP 7012
GPSMAP 7015
GPSMAP 720
GPSMAP 720s
GPSMAP 7212
GPSMAP 7215
GPSMAP 740
GPSMAP 740s
GPSMAP 8008 MFD
GPSMAP 8012 MFD
GPSMAP 8015 MFD
GPSMAP 8208 MFD
GPSMAP 8212 MFD
GPSMAP 8215 MFD
GPSMAP 8500 Black Box
GPSMAP 8530 Black Box

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