Garmin GMR Fantom 18

An 18-inch dome radar that utilizes the Doppler effect to identify and highlight targets.

Product Information

Driven by MotionScope Doppler technology, the GMR Fantom 18 is a 40-watt, solid-state dome radar that includes a new perk: A target-size setting, which assists in differentiating real targets from noise. Major highlights include pulse compression, which enhances detection and maximizes energy, along with dynamic auto-gain and sea-filter settings, low power ­consumption and instant start-ups.



  • Physical Dimensions: 20" x 9.8" (50.8 cm x 24.8 cm)
  • Weight: 13.6 lbs (6.2 kg)
  • Water Rating: IPX7
  • Peak Transmit Power: 40 W
  • Antenna Length: 17" (43.18 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)
  • Beam Width: 5.2° horizontal, 25° vertical
  • Maximum Range: 48 nm
  • Minimum Range: 6 meters
  • Radar Type: Radome
  • Power Input: 10-32 V DC
  • Power Consumption: 18 W
  • Max Power Consumption: 25 W
  • Dual Range: Yes
  • Overlay: Yes
  • Dual Radar Support: Yes
  • Autobird Gain: Yes
  • Autogain: Dynamic
  • MARPA With Auto Acquisition: Yes (Requires Heading Sensor, Sold Separately)
  • Echo Trails: Yes
  • MotionScope: Yes

Vendor Information

  • Store Name: Garmin
  • Vendor: Garmin
  • Address: 1200 E. 151st St.
    Olathe, KS