GPSdome Anti-Jammer

GPSdome Anti-Jammer

The Industry’s Only Non-ITAR GPS Anti-Jammer Request Quote View Data Sheet


GPSdome is a small-sized, add-on device that provides protection against GPS jamming, ensuring continuity of autonomous navigation and operation during jamming conditions. No other solution that offers such protection is as small, light, affordable or as easily installed as GPSdome.

With GPS as the cornerstone of navigation, military systems can be completely disabled by simple GPS jammers available online today for less than $50.

GPSdome is suitable for a wide variety of GPS-dependent applications. With GPSdome’s protection, any military system immediately becomes more robust and protected against wireless attacks

Key Features:
  • CRPA null steering technology
  • Small form factor: 70 x 48 x 24mm, 150 g
  • Minimal power consumption: <0.75W
  • IP67, -40°C to +85°C

Documentation and Support

GPSdome Datasheet
pdf (558KB)

How GPS Dome Works

GPS Vulnerabilities Are Well Known: Orbiting at 20,000KM above sea level, the GPS satellites emit a signal which is incredibly weak when received by GPS receivers (~-125dBm). To jam this signal, all one has to do is overpower it, either with a simple jammer bought online, which blocks it completely, or with slightly more sophisticated hardware that can trick it with erroneous data.

The Null Steering Algorithm was originally developed for military applications to protect wireless signals. By combining the patterns from both antennas, GPSdome detects where the interference is coming from and creates a new antenna pattern which nullifies the power of the interference.

Installation Couldn’t Be Easier: After mounting both antennas on a flat, sky facing base at least half a wave-length apart (10cm minimum, 20cm is optimal), connect antennas to GPSdome, connect it to the antenna input on your GPS receiver, feed it with power and you’re set to go.

Jamming Detection is available from an LED on the GPSdome itself or via an external wire that could be integrated into the system computer

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