Garmin GMR Fantom 256 Radar w/6 Open Array Antenna
The Garmin GMR Fantom 256 combines a radar pedestal with a 6-foot open array antenna. Its larger array configuration supports radar target monitoring, helping operators assess surrounding traffic and coastline features while maintaining improved awareness during offshore and coastal navigation.
Garmin GMR Fantom 256 Radar w/6ft Open Array Specs
| Brand | Garmin |
| Model Name | GMR Fantom 256 |
| Part Number/SKU | 010-02263-00 |
| Technology Category | Ultra High Power Solid State Radar |
| Radar Type | 6ft Open Array |
| Peak Power Output | 250 Watts (Equivalent to 25kW Magnetron) |
| Horizontal Beamwidth | 1.25° |
| Max Range | 96 Nautical Miles |
| Target Tracking | MotionScope™ (Doppler), Echo Trails, True Echo Trails |
| Rotation Speed | 24 / 48 RPM |
| Networking Ports | Garmin Marine Network (Ethernet) |
| Voltage Input | 10V - 32V DC |
| Power Draw | 100W (Transmit); 15W (Standby) |
| Waterproofing | IPX6 |
| Weight | Pedestal: 41.5 lbs; Array: 13.5 lbs |
| Country of Origin | Taiwan |
| Standard Warranty | 2-Year Manufacturer Warranty |
Common Question of Garmin GMR Fantom 256
What array size is included?
The Garmin GMR Fantom 256 includes a six-foot open-array antenna. This configuration requires a strong mounting structure, sufficient rotation clearance, protected cabling, and compatible Garmin electronics. Confirm whether the pedestal, cable, display, and installation hardware are included before ordering for complete six-foot radar installation.
What type of scanner does it use?
It uses an open-array radar scanner rather than an enclosed dome. The six-foot antenna provides a larger physical installation footprint and requires clear rotation space around the pedestal. Measure mounting height, structural support, cable route, and service access before commissioning the Garmin Fantom array system.
Which components should be confirmed?
Confirm the pedestal model, radar cable, compatible Garmin display, power supply, network connections, mounting hardware, and antenna clearance. The product title identifies the radar and six-foot antenna but may not describe every accessory. A complete equipment check prevents an incomplete radar installation before delivery.
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