MicroStrain 3DM-RTK Network Interface Modem, Industrial Package

The MicroStrain 3DM-RTK provides easy to use real time Kinematic (RTK) correction data to be utilized by the MicroStrain 3DM-GQ7-GNSS/INS. It provides the simplicity of a cellular connection to our SensorCloud RTK base station network, replacing traditional radio-based stations. With RTK corrections the 3DM-GQ7 can achieve centimeter-level positional accuracy. By removing the need for a base station infrastructure the 3DM-RTK is the quickest and most efficient to market solution.

The 3DM-GQ7-GNSS/INS sensor combined with the 3DM-RTK modem delivers accurate positioning, velocity, and attitude estimates at 1kHz. This industry-leading performance incorporates less than 2 cm accuracy, 0.05 m/s velocity accuracy, 0.1 degree roll/pitch accuracy, and 0.25 heading accuracy with a dual-antenna GNSS.



  • Improves position accuracy of RTK-capable GNSS/INS systems, such as the 3DMGQ7, to 1 cm + 1 ppm
  • Integrated RTK Receiver, Cellular Modem, Sim card, and processing unit


  • Ingests NMEA location messages
  • Outputs standard RTCM3 messages
  • Designed for use with the SensorCloudRTK correction network
  • SensorConnect software for device configuration


  • Anodized Aluminum Enclosure
  • Compact and low profile
    • 47 mm x 65 mm x 14.25 mm
    • TBD grams
  • MicroStrain-standard Micro-D9 connector​
  • SMA Antenna Port​
  • –40 to +85°C operating temperature range

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