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The Garmin GMR Fantom™ 254 Open Array Radar – White (Part Number: K10-00012-21) is a high-powered, commercial-grade 250-watt solid-state open-array radar package equipped with a 4-foot antenna, engineered for sportfishing yachts, commercial vessels, and serious offshore cruisers requiring extreme long-range target detection up to 96 nautical miles. Featuring a 4-foot open array with a 1.8-degree horizontal beamwidth, it delivers high angular resolution, strong antenna gain, and exceptional target separation through heavy rain, fog, and intense sea clutter. Powered by MotionScope™ Doppler technology, it automatically highlights moving targets in vivid contrast colors to instantly identify collision hazards, weather cells, and surface-feeding bird flocks in real time. Operating at dual rotation speeds of 24 RPM for power efficiency and 48 RPM for rapid screen updates, the Fantom 254 connects natively with Garmin GPSMAP® chartplotters via the Garmin Marine Network, featuring scan-to-scan averaging, MARPA target tracking, dual-range overlay, dynamic auto-gain, and advanced pulse compression controls for demanding marine environments.
General |
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| Antenna Length | 48″ (121.92 cm) |
|---|---|
| Rotation speed (RPM) | 24 and 48 rpm (high speed only available in single range mode with MotionScope disabled, and on range settings of 12 NM or lower) |
| Dimension | Pedestal: 16.6″ x 14.3″ x 10.7″ (42.1 x 36.4 x 27.1 cm)Full assembly: 15.9″ height x 51.8″ diameter (40.3 cm x 131.4 cm) |
| Weight | Array: 11.4 lb (5.2 kg) Pedestal: 34.7 lb (15.7 kg) |
| Water rating | IPX6 |
| Max Wind Load | 80kt |
| Beam width | 1.8° horizontal, 23° vertical |
| Maximum range | 96 nm |
| Minimum range | 6 meters |
| Radar type | Open-Array |
Electrical Features |
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| Power Input | 10-32 V |
|---|---|
| Transmit power | 250 W |
Radar Features |
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| Dual range | ✓ |
|---|---|
| Overlay | ✓ |
| Dual radar support | ✓ |
| Auto Bird Gain | ✓ |
| Auto Gain | Dynamic |
| MARPA target tracking | yes (requires heading sensor, sold separately) |
| Echo Trails | ✓ |
| MotionScope | ✓ |
| Programmable antenna parking | ✓ |
| Target size | ✓ |
| Scan averaging | ✓ |
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