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Garmin GMR18xHD Radar - 4kw

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Delivers higher resolution than Garmin's previous generation 18" radar dome. Two rotation speeds.
More Details...   #45040
Brand:  Garmin
MFG Part#:   010-00959-00
Our Price: CAD$2,289.95
Sale: CAD$2,239.95
You Save: CAD$50.00!
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Garmin GMRTM 18 xHD Radome 010-00959-00

The Garmin GMR 18 xHD features:
  • 4 kW high-definition 18” dome radar
  • Pairs ease of use with advanced open-array features 
  • 48 or 24 RPM rotation speeds for fast screen refreshes, auto adjusts as needed based on range
  • 48 Mile max range setting
  • No complex user settings, easy to install and start using
Garmin's next-generation, 4 kW high-definition GMR 18 xHD radar dome 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 color (select chartplotters); range of 48 nm. Optional "No Transmit Zone" can protect 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.
  • xHD performance in a dome: High resolution (1440 display spokes vs. 720 on HD domes, draws detail down to 1/4 of a degree vs. 1/2) 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: Overlay 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.
In the Box
  • GMR 18 xHD Radome
  • Mounting hardware kit
  • Power cable (15m/49.21')
  • Network cable (15m/49.21')
  • Installation instructions
  • Mounting template
  • Grommet for marine cable
NOTE: Operation Instructions are contained with the Chart plotter.

  Garmin GMR 18 and 24 xHD Installation Instructions

 Garmin GMRTM 18 xHD Radome Specs 010-00959-00

Physical Dimensions 20" diameter, 9.75" 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) 24/48 rpm (dual rotation)
Transmit Power 4 kW
Power Input 11-35 V DC
Beam Width 5.2° horizontal, 25° vertical
Maximum Range 48 nm
Minimum Range 20 meters
Radar Type Radome

Radar Features

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
Color  8 bit
Radar overlay support  Yes
Dual range support  Yes
No Transmit Zone  Yes

Share your knowledge of this product with other customers... Be the first to review this product Shipping FAQ

Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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