The Garmin GMR Fantom™ 256 Open Array Radar – White (Part Number: K10-00012-22) is a flagship, commercial-grade 250-watt solid-state open-array radar package equipped with a 6-foot antenna, engineered for sportfishing yachts, commercial vessels, and offshore passage-makers requiring maximum target resolution and long-range detection up to 96 nautical miles. Featuring an expanded 6-foot array, it produces an ultra-narrow 1.25-degree horizontal beamwidth, delivering exceptional target separation, razor-sharp angular clarity, and high antenna gain to distinguish small targets, buoys, and landforms through heavy sea clutter, fog, or torrential rain. Powered by MotionScope™ Doppler technology, it automatically identifies and color-codes moving targets in real time to pinpoint collision threats, weather fronts, and surface-feeding bird flocks. Operating at dual rotation speeds of 24 RPM for energy conservation and 48 RPM for rapid display refresh rates, the Fantom 256 integrates seamlessly with Garmin GPSMAP® chartplotters via the Garmin Marine Network, offering scan-to-scan averaging, MARPA target tracking, dual-range overlay, dynamic auto-gain, and advanced pulse compression controls.
In the Box
- GMR Fantom 256 antenna and pedestal
- Mounting hardware kit and template
- Right angle power cable (15 meters)
- Right angle network cable (15 meters)
- Voltage converter
- Documentation


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