Garmin GMR Fantom 124 - 4' Open Array Radar
Garmin GMR Fantom 124 - 4' Open Array Radar — Product description
Navigating open waters demands tools that deliver clarity when visibility fades—whether it's dense fog rolling in, sudden squalls brewing, or the subtle dance of birds signaling fish below. The Garmin GMR Fantom 124 steps up as a powerhouse 4-foot open-array radar, blending cutting-edge solid-state tech with intuitive features tailored for serious boaters. Its robust output punches through clutter for sharp images from intimate coastal scans to horizon-spanning sweeps up to 96 nautical miles, empowering confident decisions on every voyage.
Unlock Superior Awareness with MotionScope Doppler Processing
Picture this: a vessel crossing your path at dusk, or a flock of gulls diving into baitfish-rich waters. MotionScope technology leverages Doppler shifts to instantly color-code threats—approaching objects glow red for urgent alerts, while receding ones fade green. This isn't just radar; it's a proactive guardian that separates moving targets from static noise, helping you sidestep collisions, chase productive fishing grounds, or steer clear of building storms. Paired with true echo trails that adjust for your boat's motion via heading data, targets leave realistic fading paths, making speed and direction assessment second nature.
Pulse Compression: Sharp Imaging Without Compromise
Traditional radars struggle with resolution or power trade-offs, but pulse compression here maximizes energy delivery for vivid, high-definition returns. Expect crisp separation between tightly packed targets—like a cluster of buoys or nearby craft—while picking out faint echoes at extreme distances. The narrow 1.8-degree horizontal beam slices through rain and fog, rendering shorelines, wakes, and weather cells with precision that feels almost photographic on your chartplotter overlay.
Tailored for Real-World Boating Challenges
- Fishing Edge: Auto Bird Gain zeroes in on surface-feeding birds, a telltale sign of teeming baitfish schools beneath—ideal for offshore anglers dialing in hot spots without guesswork.
- Safety First: Guard zones trigger audible alarms if intruders breach your safe perimeter, while MARPA tracks up to 10 targets with vector predictions for collision avoidance (heading sensor enhances accuracy).
- Adaptive Performance: Dynamic auto gain and sea clutter filters self-tune to choppy seas or calm harbors, with customizable levels to cut noise and reveal details. Tweak target sizing to amplify weak signals or refine coastal outlines.
- Versatile Display Options: Dual-range mode lets you monitor short-haul traffic alongside long-range scans simultaneously, overlaid or split on Garmin multifunction displays. Dual radar support adds redundancy across networked screens.
Measurement tools like variable range markers and electronic bearing lines simplify quick bearings and distances, scaling radar views to prioritize forward horizons for proactive navigation.
Engineered for Demanding Conditions
Built tough with IPX6 water resistance and wind tolerance up to 80 knots, this radar thrives in rough seas. Adjustable rotation speeds—24 or 48 RPM—ensure fluid updates, with high-speed mode optimized for closer ranges. Power it reliably from 10-32V sources, and benefit from instant-on solid-state operation—no warmup delays like older magnetrons.
| Specification | Details |
|---|---|
| Antenna Length | 48" (121.92 cm) |
| Transmit Power | 50W pulse compression (equivalent to ~6kW magnetron) |
| Beam Width | 1.8° horizontal, 23° vertical |
| Range | Max: 96 nm; Min: 6 meters |
| Rotation Speed | 24/48 RPM (high speed on ≤12 nm ranges, MotionScope off) |
| Dimensions (Pedestal) | 16.6" x 14.3" x 10.7"; Full: 15.9" H x 51.8" D |
| Key Features | MotionScope, Auto Bird Gain, MARPA (10 targets), Echo Trails, Dual Radar, Guard Zone |
Seamless Setup for Immediate Results
Streamlined design means straightforward mounting with included hardware and templates—no endless calibration menus. Connect via standard Garmin networking cables, and auto-optimizing settings kick in right away. For peak performance, position the array high on sturdy arches or masts to extend your radar horizon, integrating seamlessly with autopilots for stabilized trails and overlays.
What's included: Antenna/pedestal assembly, mounting kit, 15m power/network cables (right-angle), documentation.
Frequently Asked Questions
How does MotionScope technology work on the GMR Fantom 124?
MotionScope uses Doppler processing to analyze echo frequency shifts from moving objects, coloring inbound targets red and outbound green for instant visual cues on collisions, birds, or weather.
What's the effective range of this 4-foot open-array radar?
It detects from a minimum of 6 meters out to 96 nautical miles, excelling in both close-quarters maneuvering and long-distance offshore monitoring, even in adverse weather.
Does it help with finding fish indirectly?
Yes, Auto Bird Gain highlights surface bird flocks, reliable indicators of baitfish concentrations and thus larger game fish lurking below—perfect for sportfishing.
Is installation complicated for boat owners?
Not at all—plug-and-play with Garmin networks, included mounts, and auto-adjusting features minimize setup time and user tweaks for quick deployment.
Can it track multiple vessels to prevent collisions?
MARPA provides automatic tracking for up to 10 targets, displaying course vectors and CPA/TCPA data when paired with a heading sensor for enhanced safety.
How does it perform in heavy rain or fog?
Pulse compression and dynamic sea/rain clutter rejection maintain clear images by focusing energy and filtering interference, outperforming many traditional systems.
GMR Fantom 124 - 4' Open Array Radar
Open-array Radar with Industry-leading 120 W Solid-state Output Power
Features:
- 4', 120 W solid-state open-array radar with pedestal
- MotionScope technology detects and highlights moving targets in different colors to help avoid collisions, find flocks of birds and track weather
- Pulse Compression technology provides high-resolution imaging while maximizing energy to enhance target detection and identification
- True echo trails display a fading trail to help you quickly and easily identify moving targets while accounting for the movement of your own boat
- Overlay radar on your chart screen as single display or split screen with independent range settings
Featuring 120W of power, GMR Fantom 126 is our most powerful 6' solid-state radar. It uses MotionScope technology to detect and highlight moving targets in different colors, which helps you avoid potential collisions, find flocks of birds and track weather. It includes Pulse Compression technology that provides high-resolution imaging and maximizes energy to help you detect and identify targets. It has a detection range of 20' to 96 nautical miles.
High-power 120W Radar with Narrow Beam
You get excellent close- and long-range target detection from as close as 20' to 96 nautical miles, even in fog or rain. The narrow horizontal beamwidth provides a high-resolution image, and the high antenna gain picks out weak targets at a distance. This radar paints a clear, concise image of the shoreline, other vessels and impending weather right on your Garmin chartplotter. Get consistent target positions, excellent target separation that helps you distinguish large targets from small ones and adjustable rotation speed for fast screen updates.
MotionScope Doppler Technology
GMR Fantom uses the Doppler effect to detect and highlight moving targets to help you avoid potential collisions, find flocks of birds and track weather formations. The Doppler effect is the frequency shift in the radar echo due to the relative motion of the target. This allows for instant detection of any targets moving toward or away from the radar. MotionScope highlights the moving targets on the radar display so you can navigate around other boats or severe weather or toward fishing spots where birds are feeding at the surface.
Echo Trails
A fading trail is left on the screen to help you quickly and easily identify moving targets and potential collision threats. Trails are corrected for your boat's rotation when an autopilot or heading sensor is connected to your Garmin network.
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 where baitfish are likely to be found.
Dynamic Auto Gain and Sea Filter Settings
Dynamic Auto Gain automatically adjusts to your surroundings for optimal performance in all conditions. Dynamic Sea Filter automatically adjusts gain to changing sea conditions with user options for low, medium or high filtering.
Target Size
You can increase the size of targets on screen to help differentiate from noise, or reduce the size to sharpen shoreline details.
Dual Range with Radar Overlay
The single radar antenna can display radar images on your chartplotter map page side by side, with independent range settings and controls for both close and long range. One or both ranges can also be viewed as a chart overlay. An autopilot or heading sensor is recommended for best results.
MARPA Target Tracking
Mini-automatic radar plotting aid (MARPA) tracks up to 10 selected targets, helping you keep track of other vessels and avoid collisions.
Dual Radar Support
This provides redundancy and the ability for each display unit on the boat to select data from 1 of 2 different radar sources.
Guard Zone
Set the safety zone, and receive an alarm when an object enters the zone.
Easy Interpretation
Variable range markers (VRM) and electronic bearing lines (EBL) allow rapid measurements of distance and bearing to vessels and land. It fits the selected radar range to the vertical size of your display to show more forward-looking radar returns on screen and make it easier to interpret target distances.
Easy to Install & Use
All our radars are designed to be easy to install and easy to use. There are no complex user settings to adjust; just install your radar, and start using it. You can rely on the GMR Fantom radar to provide reliable, optimum performance in all conditions.
In The Box:
- GMR Fantom 126 antenna and pedestal
- Mounting hardware kit and template
- Right angle power cable (15 meters)
- Right angle network cable (15 meters)
- Voltage converter
- Documentation
Garmin GMR Fantom 124 120 Watt 4' Open Array Radar
Model: K10-00012-19- 4’, 120 W solid-state open-array radar with pedestal
- MotionScope™ technology detects and highlights moving targets in different colors to help avoid collisions, find flocks of birds and track weather
- Pulse Compression technology provides high-resolution imaging while maximizing energy to enhance target detection and identification
- True echo trails display a fading trail to help you quickly and easily identify moving targets while accounting for the movement of your own boat
- Overlay radar on your chart screen as single display or split screen with independent range settings
Featuring 120 W of power, GMR Fantom 124 is our most powerful 4’ solid-state radar. It uses MotionScope technology to detect and highlight moving targets in different colors, which helps you avoid potential collisions, find flocks of birds and track weather. It includes Pulse Compression technology that provides high-resolution imaging and maximizes energy to help you detect and identify targets. It has a detection range of 20’ to 96 nautical miles.
You get excellent close- and long-range target detection from as close as 20’ to 96 nautical miles, even in fog or rain. The narrow horizontal beamwidth provides a high-resolution image, and the high antenna gain picks out weak targets at a distance. This radar paints a clear, concise image of the shoreline, other vessels and impending weather — right on your Garmin chartplotter. Get consistent target positions, excellent target separation that helps you distinguish large targets from small ones and adjustable rotation speed for fast screen updates.
GMR Fantom uses the Doppler effect to detect and highlight moving targets to help you avoid potential collisions, find flocks of birds and track weather formations. The Doppler effect is the frequency shift in the radar echo due to the relative motion of the target. This allows for instant detection of any targets moving toward or away from the radar. MotionScope highlights the moving targets on the radar display so you can navigate around other boats or severe weather — or toward fishing spots where birds are feeding at the surface.
A fading "trail" is left on the screen to help you quickly and easily identify moving targets and potential collision threats. Trails are corrected for your boat’s rotation when an autopilot or heading sensor is connected to your Garmin network.
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 where baitfish are likely to be found.
Dynamic Auto Gain automatically adjusts to your surroundings for optimal performance in all conditions. Dynamic Sea Filter automatically adjusts gain to changing sea conditions with user options for low, medium or high filtering.
You can increase the size of targets on screen to help differentiate from noise, or reduce the size to sharpen shoreline details.
The single radar antenna can display radar images on your chartplotter map page side by side, with independent range settings and controls for both close and long range. One or both ranges can also be viewed as a chart overlay. An autopilot or heading sensor is recommended for best results.
Mini-automatic radar plotting aid (MARPA) tracks up to 10 selected targets, helping you keep track of other vessels and avoid collisions.
This provides redundancy and the ability for each display unit on the boat to select data from 1 of 2 different radar sources.
Set the safety zone, and receive an alarm when an object enters the zone.
Variable range markers (VRM) and electronic bearing lines (EBL) allow rapid measurements of distance and bearing to vessels and land. It fits the selected radar range to the vertical size of your display to show more forward-looking radar returns on screen and make it easier to interpret target distances.
All our radars are designed to be easy to install and easy to use. There are no complex user settings to adjust; just install your radar, and start using it. You can rely on the GMR Fantom radar to provide reliable, optimum performance in all conditions.
Specifications| General | |
| Water rating | IPX6 |
| 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) |
| Transmit power | 50W of pulse compression power output, the approximate equivalent to a 6kW magnetron |
| Beam width | 1.8° horizontal, 23° vertical |
| Maximum range | 96 nm |
| Minimum range | 6 meters |
| Radar Features | |
| High definition (outstanding target separation with less screen clutter) | Yes |
| MARPA target tracking (collision avoidance) | Yes (Requires Heading Sensor, Sold Separately) |
| Guard zone alarm | Yes |
| Additional | |
| MotionScope | Yes |
| Auto Bird Gain | Yes |
| Dual Radar Support | Yes |
| Echo Trails | Yes, True |
| Programmable Antenna Parking Position | Yes |
| Max Wind Speed | 80 kt |
| Input Voltage | 10-32 V |
| Dimensions | Pedestal: 16.6" x 14.3" x 10.7" Full assembly: 15.9" height x 51.8" diameter |
What's in the Box:
- GMR Fantom 124 antenna and pedestal
- Mounting hardware kit and template
- Right angle power cable (15 meters)
- Right angle network cable (15 meters)
- Documentation
SKU: NVN-72876
MPN: K10-00012-19
UPC: 753759189884
Technical specifications
| Brand | Garmin |
| Model | Garmin GMR Fantom 124 - 4' Open Array Radar |
| SKU / MFR# | 72876 |
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Frequently asked questions
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