Garmin GMR 18 xHD3 is a compact 18-inch 4 kW magnetron dome radar designed to provide high-definition detection of vessels, obstacles, weather and other targets. It offers up to 48 nautical miles of range, rotation speeds of up to 60 RPM, Scan Averaging technology to reduce sea clutter and interference, True Echo Trails, Dual Range, MARPA target tracking and enhanced bird detection.

Specifications

• Brand: Garmin
• Model: GMR 18 xHD3
• Radar Type: Magnetron Radome
• Antenna Size: 18"
• Antenna Length: 17" / 43 cm
• Transmit Power: 4 kW
• Maximum Range: 48 nautical miles
• Minimum Range: 20 m
• Rotation Speed: Up to 60 RPM
• Beam Width: 5.2° horizontal / 25° vertical
• Input Voltage: 11–32V DC
• Standby Power: 15W
• Typical Transmitting Power: 40W
• Water Rating: IPX7
• Dimensions: 20" × 9.8" / 508 × 248 mm
• Weight: 7.0 kg / 15.4 lb
• Dual Range: Yes
• Radar Overlay: Yes
• True Echo Trails: Yes
• MARPA: Yes, requires heading sensor
• Dynamic Auto Gain: Yes
• Guard Zone: Yes
• Target Tracking: Up to 30 targets with MARPA

Key Features

• 4 kW magnetron radar
• Up to 48 NM detection range
• Compact 18" radome
• Rotation speed up to 60 RPM
• Scan Averaging technology
• True Echo Trails
• Dual Range with chart overlay
• Improved target-size processing
• Enhanced Auto Bird Gain and Bird Mode
• Dynamic Auto Gain
• MARPA target tracking
• Guard Zone alerts
• Quiet dome drive motor
• IPX7 water resistance