The Garmin GMR 18 xHD3 is a compact 18-inch magnetron radome radar with 4 kW transmit power and a maximum range of 48 nautical miles. Scan Averaging helps reduce sea clutter and interference, while Dual Range allows simultaneous short- and long-range radar views.
Specifications:
- Brand: Garmin
- Model: GMR 18 xHD3
- Part number: 010-02841-00
- EAN: 0753759320744
- Type: radome radar
- Size: 18 inch
- Transmit power: 4 kW
- Maximum range: 48 nautical miles
- Minimum range: 20 m
- Rotation speed: up to 60 rpm
- Horizontal beam width: 5.2°
- Vertical beam width: 25°
- Dual Range: yes
- Radar overlay: yes
- Dual radar support: yes
- Echo Trails: yes
- Scan Averaging: yes
- Auto Bird Gain: yes
- Dynamic Auto Gain: yes
- MARPA: yes, heading sensor required.
Electrical:
- Power input: 11–32 V DC
- Typical transmit consumption: approx. 40 W
- Standby consumption: approx. 15 W.
Physical:
- Diameter: approx. 508 mm
- Height: approx. 248 mm
- Weight: approx. 7.0 kg
- Water rating: IPX7.
Included:
- Garmin GMR 18 xHD3 radome
- Approx. 15 m power cable
- Approx. 15 m Garmin Marine Network cable
- Mounting hardware
- Mounting template
- Installation instructions.






