Garmin GMR Fantom 256 Radar w/6' Open Array Antenna
Garmin GMR Fantom 256 Radar w/6' Open Array Antenna — Product description
Imagine navigating open waters with unmatched clarity and confidence. The Garmin GMR Fantom 256 radar, equipped with a 6-foot open array antenna, delivers exceptional performance for boaters who demand the best in marine safety and exploration. As one of the most potent solid-state radars in its class, it packs 250 watts of power into a compact design, offering detection from intimate 20-foot close-range details up to an impressive 96 nautical miles. This isn't just about seeing farther—it's about discerning threats, opportunities, and conditions with precision that keeps you ahead of the curve.
Whether you're dodging unexpected obstacles at dusk, mapping out prime fishing spots by spotting bird activity, or monitoring fast-evolving weather patterns during a coastal cruise, this radar transforms uncertainty into actionable insight. Its solid-state technology means instant readiness—no lengthy warm-ups—and seamless integration with compatible chartplotters for overlaid views that blend radar data with your nautical charts.
Revolutionary Technologies for Smarter Boating
MotionScope: See Movement Before It Matters
At the heart of the Fantom 256 lies MotionScope Doppler processing, which paints moving targets in vibrant colors—green for approaching, red for receding. This real-time differentiation helps you spot collision risks from vessels or debris, track erratic bird flocks signaling fish below, and even observe weather cells shifting across your path. It's like having a vigilant crew member constantly scanning the horizon.
Effortless MARPA Automatic Acquisition
Tracking up to 30 targets simultaneously has never been simpler. The advanced mini-automatic radar plotting aid (MARPA) kicks in automatically on all echoes, guard zones, boundary areas, or MotionScope highlights—no manual intervention required. This frees you to focus on steering while the system plots courses, predicts paths, and alerts you to potential hazards.
Scan-to-Scan Averaging: Cut Through the Chaos
Sea clutter and interference can obscure vital data, but scan-to-scan averaging smooths out the noise, delivering cleaner images even in choppy conditions. Paired with a dynamic sea filter that adapts to calm, moderate, or rough seas, you'll enjoy consistent visibility without constant tweaks.
Pulse Compression and Auto Bird Gain: Precision Meets Practicality
Pulse compression maximizes energy output for sharp, high-resolution images that reveal small targets at extreme ranges. For anglers, Auto Bird Gain automates detection of surface-feeding birds, a reliable indicator of baitfish and predators lurking beneath—streamlining your search for the next big catch.
Features That Enhance Every Voyage
- Echo Trails: Fading trails behind targets factor in your boat's motion, making it easy to gauge speed and direction at a glance.
- Radar Overlay: Merge radar feeds onto your chartplotter as a full overlay or split-screen setup with customizable ranges for multi-perspective analysis.
- Guard Zones: Define safe perimeters around your vessel; audible and visual alarms notify you instantly if anything intrudes.
- True Motion Accounting: Advanced algorithms compensate for your vessel's movement, ensuring accurate relative positioning.
These elements combine to create a radar system that's not only powerful but intuitive, reducing cognitive load during critical moments.
Perfect for Fishing, Cruising, and Commercial Use
For offshore anglers, the bird-finding prowess and long-range detection turn hours of searching into targeted hauls. Cruisers benefit from collision avoidance in low visibility, while commercial operators appreciate the reliability for night runs or congested waterways. Mount it on sailboats, power yachts, or workboats—the 6-foot array balances footprint with performance, fitting masts or arches without dominating deck space.
Installation is straightforward with included hardware, a 15-meter power cable, network cable, and voltage converter. Routine maintenance is minimal thanks to the rugged, weatherproof build designed for harsh marine environments.
Pro Tips for Maximizing Your Radar's Potential
To get the most from your GMR Fantom 256:
- Position the array high and unobstructed for optimal horizon scan.
- Fine-tune gain and range settings based on conditions—start with auto modes for quick adaptation.
- Practice with echo trails during daylight to build familiarity with target behaviors.
- Combine with AIS for layered awareness, elevating safety exponentially.
Frequently Asked Questions
What makes the Garmin GMR Fantom 256 stand out among marine radars?
Its 250-watt solid-state power in a 6-foot array, combined with MotionScope Doppler tech and automatic MARPA, provides superior motion detection, clutter reduction, and hands-free tracking up to 96 nautical miles.
How does MotionScope technology improve boating safety?
MotionScope uses color-coding to highlight approaching (red) or receding (green) targets, enabling quick identification of collision risks, bird flocks, or weather from close range to extreme distances.
Can this radar help with fishing?
Yes, Auto Bird Gain automatically detects surface birds, which often indicate fish schools below, while long-range scanning helps locate structure and bait balls efficiently.
What is the detection range of the Fantom 256?
It offers versatile detection from 20 feet for nearby objects up to 96 nautical miles for distant targets, adjustable via multiple range scales.
Does it require warm-up time like traditional radars?
No, as a solid-state radar, it powers on instantly, ready for immediate use without the delays common in magnetron-based systems.
How many targets can MARPA track automatically?
Up to 30 targets, activating without user input on echoes, zones, or MotionScope highlights for comprehensive monitoring.
Is installation complex for the 6-foot array?
It's user-friendly with provided mounting kits, templates, and lengthy cables; most boaters complete it with basic tools, ideally on a stable pedestal or arch.
Garmin GMR Fantom 256 Radar
THE POWER TO SEE MORE
GMR Fantom 256 is the most powerful 6' consumer solid-state radar.
The GMR Fantom 256, our most powerful 6' solid-state radars, feature 250 W of power. They use MotionScope technology to detect and highlight moving targets in different colors, which helps you avoid potential collisions, find flocks of birds and track weather. New MARPA Automatic Acquisition allows for triggering and tracking with no user prompting on all returns, boundary zones, guard zones or MotionScope. Scan-to-scan averaging, a new feature, helps aid in reduction of sea clutter and interference. Its Pulse Compression technology provides high-resolution imaging and maximizes energy to help you detect and identify targets. Auto Bird Gain helps you identify flocks of birds on the water. The GMR Fantom 256 radar have a detection range of 20' to 96 nautical miles.
Features:
- We've got the power. 250 watts of it to be exact.
- Know the long and short of it with a detection range of 20' to 96 nautical miles.
- MotionScope highlights everything that moves so there are no surprises.
- The more the merrier with MARPA. Keep track of up to 30 moving targets.
- Clear the clutter with scan-to-scan averaging.
MotionScope Technology
Detect and highlight moving targets in different colors to help avoid collisions, find flocks of birds and track weather from 20' to 96 nautical miles.
Automatic Acquisition
New mini-automatic radar plotting aid (MARPA) automatic acquisition allows for triggering and tracking of up to 30 targets with no user prompting on all returns, boundary zones, guard zones or MotionScope.
Clear The Way
Scan-to-scan averaging aids in reduction of sea clutter and interference, so you have a clear view of what's out there.
Auto Bird Gain
Where there are birds on the water's surface, there are fish below it. Auto Bird Gain helps you locate flocks of birds at the water's surface.
Pulse Compression
This feature provides high-resolution imaging while maximizing energy to enhance target detection and identification.
Echo Trails
True Echo Trails feature displays a fading trail to help you quickly and easily identify moving targets while accounting for the movement of your own boat.
Radar Overlay
Overlay radar on your chart screen as single display or split screen with independent range settings.
Dynamic Sea Filter
Dynamic Sea Filter automatically adjusts gain to calm, medium and rough sea conditions.
Guard Zone
Set the safety zone and receive an alarm when an object enters the zone.
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
SKU: NVN-86002
MPN: K10-00012-22
UPC: 753759243968
Technical specifications
| Brand | Garmin |
| Model | Garmin GMR Fantom 256 Radar w/6' Open Array Antenna |
| SKU / MFR# | 86002 |
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Frequently asked questions
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