Garmin GMR Fantom 124 Radar - Black [K10-00012-32]


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GMR Fantom™ 124 Radar - Black

This open-array radar highlights moving targets in color and gives users excellent close- and long-range target detection — even in fog or rain.


  • Know what’s coming. MotionScope™ technology shows targets in color as they move closer or away
  • GMR Fantom brings the power (120 watts of it)
  • Get high resolution without wasting energy, thanks to pulse compression
  • Add even more detail to maps with radar overlay — even in a split-screen view

High-Powered Radar

This 120-watt solid-state radar has a range from 20’ to 96 nautical miles, even in fog or rain. It offers rotation speeds of 24 RPM for reduced power consumption and 48 RPM for fast screen updates.

High-Resolution Radar

The 1.8-degree horizontal beamwidth provides a high-resolution image and high antenna gain to pick out even weak targets at a distance.

Motionscope Technology

MotionScope uses the Doppler effect to detect moving targets and highlight them in different colors so users can navigate around other boats or severe weather — or toward fishing spots where birds feed at the surface.

Intuitive Operation

This radar doesn’t have any complex user settings to deal with, so it’s easy to install and start using.

Target Size

Adjust the size of objects on the radar image.

Auto Bird Gain

Locate flocks of birds at the water’s surface where baitfish are also likely to be found.

Echo Trails

A historical “trail” is left on the screen to help users quickly and easily identify moving targets and potential collision threats.

Dual Range 

A single radar antenna is capable of providing split-screen images on the chartplotter for both close and long ranges.

Dual-Radar Support

Using dual radar provides redundancy and allows each display unit on the boat to pull data from one of two different radar sources.

Dynamic Auto Gain

Gain automatically adjusts levels to optimum settings for harbors, near shore, and offshore in open waters.

Dynamic Sea Filter

Gain automatically adjusts sea clutter for calm, medium, and rough sea conditions.

Radar Overlay

Overlay radar images onto a chart plotter’s map page. Users can add an optional autopilot or heading sensor (sold separately) for best results.

MARPA Target Tracking

Mini-automatic radar plotting aid (MARPA) tracks up to 30 selected targets, helping users keep track of other vessels and avoid collisions.

Guard Zone

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.

General Specifications:

  • Dimension: 16.6" x 14.3" x 10.7" Pedestal: 42.1 x 36.4 x 27.1 cm; Full assembly: 15.9" height x 51.8" diameter; Full assembly: 40.3 cm height x 131.4 cm diameter
  • Weight: Array: 11.4 LB (5.2 KG); Pedestal: 34.7 LB (15.7 KG)
  • Waterproof: IPX6
  • Max Wind Load: 80KT
  • Antenna Length: 48” (121.92 CM)
  • Rotation Speed (RPM): 24 and 48 RPM (high speed only available in single range mode with motion scope disabled and on range settings of 12 NM or lower)
  • Beam Width: 1.8° Horizontal, 23° Vertical
  • Maximum Range: 96 NM
  • Minimum Range: 6 Meters
  • Radar Type: Open-Array

Electrical Specifications:

  • Power Input: 10-32 V DC
  • Transmit Power: 120 W

Radar Specifications:

  • Dual Range: Yes
  • Overlay: Yes
  • Dual Radar Support: Yes
  • Auto Bird Gain: Yes
  • Auto Gain: Dynamic
  • Marpa Target Tracking: Yes (requires heading sensor, sold separately)
  • Echo Trails: Yes
  • Motionscope: Yes
  • Programmable Antenna Parking: Yes
  • Target Size: Yes
  • Scan Averaging: Yes

In the Box:

  • Black GMR Fantom 124 antenna and pedestal
  • Mounting hardware kit and template
  • Right-angle power cable (15 meters)
  • Right-angle network cable (15 meters)
  • Voltage converter
  • Documentation

WarningWARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to


  • Array Size (Inches): 48"
  • Power - Output: 120w
  • Range - Max (Miles): 96nm
  • Box Dimensions: 9"H x 11"W x 56"L WT: 79.1 lbs
  • UPC: 753759331436


BoatEFX LLC products will carry the following warranty.
Warranty Period
- Limited Lifetime The warranty requires return of defective part/product directly to BoatEFX. Replacement of parts or products may be new or refurbished and will meet or exceed specifications of the original parts or products. - Proof of purchase may be required. - The repair or replacement of a faulty product within the warranty period remains at the discretion of BoatEFX. The BoatEFX warranty covers defects in parts in workmanship but does not cover fair wear and tear, defect resulting from misuse, unauthorized modification, operation or storage outside the environment specification for the product or in-transit damage. Summary of Benefits - Repair defects in components or workmanship - Repair at BoatEFX - Replacement of parts or product may be new or refurbished and will meet or exceed specifications of the original parts or products. - Phone Technical Support Defects Excluded - Fair wear and tear - Misuse - Damage by mishandling - In Transit Damage - Operation or storage outside of designed specification Should you have any questions relating to the Warranty of any BoatEFX LLC product or require any technical support please contact BoatEFX at 1 (513) 855-1192 Limitation of Liability Except for the commitments outlined above BoatEFX LLC will not be liable for any direct or indirect, special, incidental, consequential or other types of damages or injury to person(s) or property.
Shipping Statement
*Under normal circumstances purchases ship within 5-20 business days or sooner. BoatEFX offers FREE shipping on all products. We take care in packaging our products for shipping, However, once an item has left our facility it is no longer in our control in the handling of your order. If you receive a damaged shipping box please contact us before opening and within 48hrs of delivery. Thank you, BoatEFX 1 (513) 855-1192
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