Garmin GMRâ„¢ 18 HD3 Marine Radar
The Garmin GMRâ„¢ 18 HD3 Marine Radar delivers professional-grade detection with HD3 technology, providing exceptional clarity in all weather conditions. This 18-inch radome offers superior target separation and extended range capabilities, ideal for serious mariners navigating challenging waters. Advanced signal processing minimises clutter whilst maintaining crisp, reliable imagery of vessels, landmasses, and weather systems. Seamlessly integrates with Garmin marine systems for unified helm management. Built to withstand demanding maritime environments, the GMR 18 HD3 combines durability with cutting-edge performance for confident navigation and collision avoidance.
RADAR OVERLAY
Overlay radar images onto your chartplotter's map page. You can add an optional autopilot or heading sensor (sold separately) for best results.
DYNAMIC AUTO GAIN
Gain automatically adjusts levels to optimum settings
DYNAMIC SEA FILTER
Radar gain automatically adjusts sea clutter for calm, medium and rough sea conditions.
LOW-NOISE SCANNING
The reliable GMR HD3 dome drive motor spins at a fixed 24 rpm, offering reliable, low-noise operation and minimal power consumption
DUAL-RADAR SUPPORT
Using dual radar provides redundancy and allows each display unit on the boat to pull data from one of two different radar sources.
- GMR 18 HD3 dome radar
- Power cable (15 m/49.21 ft)
- Network cable (15 m/49.21 ft)
- Mounting hardware kit and template
- Installation instructions
| Dimension | 20″ diameter, 9.8″ high (508 mm diameter, 248 mm high) |
|---|---|
| Weight | 7.0 kg |
| Water rating | IPX7 |
| Antenna Length | 17″ (43 cm) |
| Rotation speed (RPM) | 24 rpm |
| Beam width | 5.2° horizontal, 25° vertical |
| Maximum range | 36 nm |
| Minimum range | 20 metres |
| Radar type | Radome |
Electrical features |
|
| POWER INPUT | 11 - 32 V DC |
|---|---|
| Power Consumption (standby) | 15 W |
| Typical power consumption, transmitting (normal mode) | 40 W |
| Transmit power | 4 kW |
Radar features |
|
| Overlay | |
|---|---|
| Dual radar support | |
| Auto Gain | Dynamic |
| MARPA target tracking | Yes (requires heading sensor, sold separately) |
Original: $2,125.08
-65%$2,125.08
$743.78Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Garmin GMRâ„¢ 18 HD3 Marine Radar delivers professional-grade detection with HD3 technology, providing exceptional clarity in all weather conditions. This 18-inch radome offers superior target separation and extended range capabilities, ideal for serious mariners navigating challenging waters. Advanced signal processing minimises clutter whilst maintaining crisp, reliable imagery of vessels, landmasses, and weather systems. Seamlessly integrates with Garmin marine systems for unified helm management. Built to withstand demanding maritime environments, the GMR 18 HD3 combines durability with cutting-edge performance for confident navigation and collision avoidance.
RADAR OVERLAY
Overlay radar images onto your chartplotter's map page. You can add an optional autopilot or heading sensor (sold separately) for best results.
DYNAMIC AUTO GAIN
Gain automatically adjusts levels to optimum settings
DYNAMIC SEA FILTER
Radar gain automatically adjusts sea clutter for calm, medium and rough sea conditions.
LOW-NOISE SCANNING
The reliable GMR HD3 dome drive motor spins at a fixed 24 rpm, offering reliable, low-noise operation and minimal power consumption
DUAL-RADAR SUPPORT
Using dual radar provides redundancy and allows each display unit on the boat to pull data from one of two different radar sources.
- GMR 18 HD3 dome radar
- Power cable (15 m/49.21 ft)
- Network cable (15 m/49.21 ft)
- Mounting hardware kit and template
- Installation instructions
| Dimension | 20″ diameter, 9.8″ high (508 mm diameter, 248 mm high) |
|---|---|
| Weight | 7.0 kg |
| Water rating | IPX7 |
| Antenna Length | 17″ (43 cm) |
| Rotation speed (RPM) | 24 rpm |
| Beam width | 5.2° horizontal, 25° vertical |
| Maximum range | 36 nm |
| Minimum range | 20 metres |
| Radar type | Radome |
Electrical features |
|
| POWER INPUT | 11 - 32 V DC |
|---|---|
| Power Consumption (standby) | 15 W |
| Typical power consumption, transmitting (normal mode) | 40 W |
| Transmit power | 4 kW |
Radar features |
|
| Overlay | |
|---|---|
| Dual radar support | |
| Auto Gain | Dynamic |
| MARPA target tracking | Yes (requires heading sensor, sold separately) |
