Meet the Garmin GMR Fantom 18x, a 50-watt solid-state dome radar built for precision at sea. Available in white or black housing, this 18-inch dome with 15-meter cables delivers fast target updates, intelligent power management, and seamless chartplotter integration for confident navigation.
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Radar type: Radome
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Dome size: 18-inch dome
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Cable length: Includes 15-meter cables for flexible installation
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Rotation speed: Up to 60 RPM for rapid target updates
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Beam width: 5.2° horizontal × 25° vertical
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Range: Minimum range 6 meters; maximum range up to 48 nautical miles
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Color imaging: 8-bit true color for better target separation
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MotionScope Doppler: Doppler-based color-coding of moving targets with motion trails
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MARPA target tracking: Tracks up to 30 targets automatically (Heading Sensor required)
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VRM/EBL: Includes VRM and EBL for quick distance and bearing measurements
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Chartplotter integration: Radar overlay on chartplotter; single radar can span split-screen views; dual radar options for redundancy
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Adaptive performance: Auto sea clutter gain and dynamic auto gain for clearer returns in varying seas
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Power: Input 10–32 V DC; transition power 50 W; power consumption 4 W (idle); up to 24–33 W depending on mode
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Durability: IPX7 waterproof rating; rugged build for diverse weather
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Antenna length: 17" (43.18 cm)
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Dimensions: 20" × 9.8"
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Weight: 14 lbs
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Included package: 18-inch dome radar with 15-meter cables included
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Additional features: Autobird, Echo Trail, Target size, Dual radar support
With the GMR Fantom 18x, you gain clearer target separation and faster decision-making thanks to MotionScope and 8-bit color, enabling you to distinguish boats from weather at a glance. MARPA tracking handles up to 30 targets, while VRM and EBL provide quick distance and bearing measurements. Radar overlay on your chartplotter and dual-radar options enhance situational awareness and reliability, and adaptive gain ensures clearer returns in calm or rough seas. Combined with intelligent power management and a durable build, this radar helps you navigate with confidence and efficiency in challenging conditions.
| General |
| DIMENSION |
20" x 9.8" (50.8 cm x 24.8 cm) |
| WEIGHT |
14.0 lbs |
| WATERPROOF |
IPX7 |
| ANTENNA LENGTH |
17" (43.18 cm) |
| ROTATION SPEED (RPM) |
Up to 60 rpm, depending on settings |
| BEAM WIDTH |
5.2° horizontal, 25° vertical |
| 5.2° horizontal, 25° vertical |
48 nm |
| MINIMUM RANGE |
6 meters |
| RADAR TYPE |
Radome |
| Electrical Features |
| POWER INPUT |
10-32 V DC |
| POWER CONSUMPTION |
4 W |
| MAX POWER CONSUMPTION TRANSMITTING, POWER SAVE |
24 W |
| MAX POWER CONSUMPTION TRANSMITTING, NORMAL MODE |
33 W |
| TRANSITION POWER |
50 W |
| Radar Features |
| DUAL RANGE SUPPORT |
Yes |
| RADAR OVERLAY SUPPORT |
Yes |
| DUAL RADAR |
Yes |
| AUTOBIRD |
Yes |
| DYNAMIC AUTO GAIN |
Dynamic |
| MARPA TARGET TRACK |
Yes (Requires Heading Sensor, Sold Separately) |
| ECHO TRAIL |
Yes |
| MOTIONSCOPE |
Yes |
| TARGET SIZE |
Yes |
| SCAN |
Yes |
