Only 3 in stock
SVB price: €1,529.37
You save: 13%
Excl. VAT, excl. shipping costs.
This is a NET-price excluding German VAT. Shipments to countries outside of the EU may be subject to import duties and taxes.
€1,529.37 This is a NET-price excluding German VAT. Shipments to countries outside of the EU may be subject to import duties and taxes.
Available variants:
Item no.
Model no.
GARMIN - Radar antenna GMR 18 xHD
Antenna type
Tx power
4000 W
Max. range
48 nm
Beam width
5.2 °
Doppler mode
Rotational speed
48 RPM
7.7 kg

Product details

The GMR 18 xHD delivers higher resolution than previous generations of 18-inch dome radars. The new dynamic automatic gain and dynamic swell filter constantly adapt to your environment to ensure optimum performance at all times, even in changing conditions. Various settings are available, according to sensitivity. Alternatively, you can use manual gain.
In dual range mode, you can view distance and close-ups on a split screen - in 8-bit colour (on some plotters), up to the range of 48 nautical miles. The monitor screen halves are completely independent from each other. Another handy option is called "area without radar transmission". This makes it possible to avoid radar beams in user-customated fields, and also allows a more flexible installation anywhere on the boat.
Size, weight and capacity
GMR 18 HD GMR 18 xHD
Dimensions: 45.7 cm (diameter) x 23.6 cm (height) (18 inch diameter, 9.3 inch height) 50.8 cm (diameter) x 24.8 cm (height)
Weight: 7.2 kg 7.7 kg
Water rating: IPX7 IPX7
Antenna length: 17" (43.18 cm) 17" (43.18 cm)
Consumption: 30 W, max. 48W 33.5 W
Antenna: 24/30 1/min (two rotation speeds) 24/48 1/min (two rotation speeds)
Transmission power: 4 kW 4 kW
Power supply: 10.5 to 35 V DC, 33.5 W 10.5 to 35 V DC, 33.5 W
Beam width: 5.0° horizontal, 25° vertical 5.2° horizontal, 25° vertical
Max. range: 36 nautical miles 48 nautical miles
Min. range: 20 metres 20 metres
Radar type: Radome Radome
Mains/network cable length: 15 metres 15 metres

Radar functions

GMR 18 HD GMR 18 xHD
High Definition (outstanding target separation with less screen clutter): Yes Yes
MARPA target tracking (collision avoidance): Yes (requires heading sensor, sold separately) Yes (requires heading sensor, sold separately)
Guard zone alarm: Yes Yes
Colour depth: 2 bit 8 bit
Dynamic Sea Filter No Yes
Radar overlay support: Yes Yes
Dual range support: No Yes
No transmit zone: Yes Yes


en-flag Manual
PDF, 414,10 KB
multi-flag Drawing
PDF, 548,03 KB
de-flag Manual
PDF, 414,55 KB
es-flag Manual
PDF, 409,12 KB
fr-flag Manual
PDF, 411,28 KB
it-flag Manual
PDF, 407,51 KB

What other SVB customers have to say

100% real reviews

1 customer reviews

5 (out of 1 ratings)
4 Stars
3 Stars
2 Stars
1 Stars
Roberto D.
by Roberto D. Flag of Italy 9/9/2018 Verified purchase
I could also see the buoys that signaled the bottom fishing gullets. I would prefer printed instructions, Roberto

Rate product

How would you rate this product?
Completely fails to meet my expectations
Only some expectations are met
Meets my basic expectations
Slightly better than my general expectations
Fully exceeds my expectations
Click on the stars to rate

Customers ask customers

Ask other SVB customers who have already purchased this product from us about their experience.

Your question will be automatically forwarded to other SVB customers and published on the product page. Please do not ask any questions which can only be answered by the SVB team – such as the status of an order or product availability. You are also more than welcome to contact our SVB team by email at: or by phone on: +49 (0)421 57290510 .

  • More "Customers ask customers" available in the following languages :
  • Flag of Italiano
No questions asked yet. Be the first to ask a question!