The Garmin GPSMAP® 923xsv with GMR™ 18 HD3 Radome bundle combines a high-performance 9-inch multifunction display (MFD) with a high-definition 4 kW radar. This package is engineered for boaters who require advanced situational awareness, high-speed chart rendering, and built-in sonar capabilities in a compact, edge-to-edge glass design.
Technical Specification
Physical & Environmental
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Dimensions: 23.3 x 16.2 x 7.6 cm (9.2″ x 6.4″ x 3.0″)
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Display Resolution: 1280 x 720 pixels (WXGA)
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Display Type: IPS Touchscreen (Edge-to-edge glass)
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Water Rating: IPX7
Electrical
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Power Input: 10 to 32 Vdc
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Typical Current Draw (@ 12 Vdc): 1.34 A
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Max Power Usage (@ 10 Vdc): 40.2 W
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NMEA 2000® LEN: 2 (Draws 100 mA max)
Sonar & Navigation
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Transmit Power: 1 kW Traditional; 1 kW CHIRP
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Frequencies: 50/77/83/200 kHz (Traditional); 260/455/800/1000/1200 kHz (UHD Scanning)
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GPS Receiver: 10 Hz high-sensitivity (GPS, GLONASS, Galileo)
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Maps: Worldwide Basemap preloaded
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Memory: 2 microSD™ card slots (back of unit)
GMR™ 18 HD3 (Radome)
Physical & Radar Performance
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Dimensions: 50.8 cm diameter x 24.8 cm high (20″ x 9.8″)
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Weight: 6.3 kg (14 lbs)
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Transmit Power: 4 kW
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Range: 20 meters to 36 nautical miles
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Rotation Speed: 24 RPM
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Beam Width: 5.2° Horizontal, 25° Vertical
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Water Rating: IPX7
Electrical
Interface & Networking (System-Wide)
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Garmin Marine Network: 1 Port (Used to connect Radar to MFD)
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NMEA 2000® Port: 1 (For sensors and engine data)
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NMEA 0183: 1 Input / 1 Output (Differential)
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J1939 Port: 1 (Dedicated engine integration)
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Video Input: 1 BNC Composite
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Wireless Connectivity: Wi-Fi, Bluetooth®, and ANT+ for ActiveCaptain® and quatix® wearables
In the Box
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GPSMAP 923xsv chartplotter
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GMR 18 HD3 radome
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Power cable (MFD)
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Power cable (Radar, 15 meters)
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Network cable (Radar, 15 meters)
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Bail mount kit with knobs
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Flush mount kit with gasket
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Protective sun cover
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Mounting hardware and documentation
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