Garmin GMR 18 HD+ Radome #:  45357
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Garmin GMR 18 HD+ Radome

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Compact, streamlined 18" dome radar with 4 kW of transmit power.
More Details...   #45357
Brand:  Garmin
MFG Part#:   010-01719-00
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Garmin GMRTM 18 HD+ Radome 010-01719-00
The compact GMR 18 HD+ dome radar is a good choice for boats with limited room for radar placement.

It delivers 4 kW of transmit power and clear echo definition at all ranges to enhance situational awareness.

Overlay radar images onto your chartplotter map page; however, for best overlay results, an optional autopilot or heading sensor is recommended.

It also helps you avoid traffic on the water. GMR 18 HD+ provides MARPA target tracking when combined with a multifunction display and heading sensor (sold separately).
Dynamic Auto Gain automatically adjusts to your surroundings for optimal performance in all conditions.

Dynamic Sea Filter automatically adjusts sea clutter, depending on sea conditions.

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

It has a maximum range of 36 nautical miles with a minimum range of 20 meters and a rotation speed of 24 RPM.

There are no complex user settings, and it’s easy to install and start using.

In the Box;
  • GMR™ 18 HD+ radome
  • Mounting hardware kit
  • Power cable 15m (49.21')
  • Network cable 15m (49.21')
  • Installation instructions
  • Mounting template

  GMR 18 HD+ and 18/24 xHD Install Instructions

Garmin GMRTM 18 HD+ Physical & Performance

Maximum range 36 nm
Radar type Radome
Physical dimensions 20" diameter, 9.8" high (50.8 cm diameter, 24.8 cm high)
Transmit power 4 kW
Power consumption 3 W standby; 18.1-24.4 W transmit
Beam width 5.2° horizontal, 25° vertical
Power input 11-35 V DC
Antenna length 17" (43.18 cm)
Rotation speed (RPM) 24 rpm
Minimum range 20 meters
Water rating IPX7
Weight 17 lbs (7.7 kg)


Guard zone alarm Yes
Radar overlay support Yes
Color 8 bit
High definition (outstanding target separation with less screen clutter) Yes
MARPA target tracking (collision avoidance) Yes (Requires Heading Sensor, Sold Separately)

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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. Yes we can ship your order express. 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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