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3DM-GQ7-GNSS/INS Product Photo

3DM-GQ7-GNSS/INS

Tactical-grade dual antenna GNSS aided inertial navigation system with RTK capability.

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3DM-GQ7-GNSS/INS

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The MicroStrain 3DM-GQ7-GNSS/INS is an all-in-one navigation solution featuring centimeter-level position accuracy. It is our first dual-antenna, RTK enabled INS designed for outstanding performance, even in unpredictable conditions. It is equipped with dual multiband GNSS receivers, low noise and low drift MEMS inertial sensors, and a robust adaptive Kalman filter.

 

When paired with our 3DM-RTK Modem and SensorCloud RTK corrections service, the 3DM-GQ7-GNSS/INS is the best single-vendor RTK navigation solution available.

Sensor

  • Up to 1 cm + 1 ppm positional accuracy with RTK

  • Multi-frequency GNSS receivers provide 1.2m single point L1/L2 position accuracy
  • Multi-constellation receivers with 184 tracking channels each allow for rapid signal acquisition and robust signal tracking in challenging GNSS environments
  • Dual GNSS antenna heading with 0.2° heading accuracy that is immune to magnetic disturbances
  • Tactical grade IMU with <2°/hr bias instability provides exceptional position accuracy during GNSS outages
  • 0.05° pitch/roll accuracy

Operation

  • Accepts standard RTCM real-time kinematic (RTK) corrections

  • Adjustable sampling rates up to 1KHz
  • 34 state auto-adaptive EKF
  • Independently configurable IMU, GNSS, EKF outputs
  • Forward compatible MIP Protocol optimizes bandwidth
  • SensorConnect software for configuration, control, display, and logging
  • MSCL open source API for easy integration

Package

  • Anodized Aluminum

  • Precision alignment features
  • Highly compact and low profile
    • 76 mm x 68.6 mm x 13.3 mm
    • 78 grams
  • USB and RS-232 interfaces
  • –40 to +85°C operating temperature range
3DM-GQ7-GNSS/INS Data Sheet Data Sheets English
4 Ways to RTK - One Pager Buyers Guide English
Product Comparison Test Report: 3DM-GQ7-GNSS/INS vs. 3DM-GX5-GNSS/INS Tech Notes English
3DM-GQ7 Firmware Change Log Tech Notes English
6212-3019 GNSS Antenna Accessory Guide English
ANN-MB GNSS Antennas Data Sheet Accessory Guide English
6212-3020 Adapter Cable Accessory Guide English
Micro D-to-USB Communication and Power Cable Accessory Guide English
6212-3021 Connectivity Kit, RS232/GNSS Cable & Antennas Accessory Guide English
9011-0058 PSA15R Wall Plug Adapter Accessory Guide English
6212-3018 Dual GNSS Antenna Kit Accessory Guide English
6212-3022 Connectivity Kit, USB/GNSS Cable & Antennas Accessory Guide English
6285-0100 RTK Modem Connectivity Kit Accessory Guide English
Micro-D to RS232 Communication and Power Cable Accessory Guide English
Craft Cable with Micro DB9 and Flying Leads Accessory Guide English
3DM-GQ7-GNSS/INS External Sensor Fusion Support Application Note English
3DM-GQ7-GNSS/INS Magnetometer vs Dual-Antenna Heading in Fixed-Wing Aircraft Whitepaper English
3DM-GQ7 Assembly Drawing Technical drawing English
3DM-GQ7-GNSS/INS GNSS Outage Test Report Application Note English
3DM-GQ7-GNSS/INS Dynamic Performance Test Report Application Note English

Certificates and Approvals

3DM-GQ7 Declaration of Conformity (EU) Declaration of Conformity English
MicroStrain REACH-SVHC Compliance Declaration Declaration of Conformity English
3DM-GQ7 Declaration of Conformity (UK) Declaration of Conformity English
3DM-GQ7-GNSS/INS
Performance Grade Tactical Grade
Features Accelerometer, Gyroscope, Magnetometer
Random Walk Accel: 20 µg/√/Hz, Gyro: 0.15 °/√hr
Bias Instability (Gyroscope) 1.5 °/hr
Bias Instability (Accelerometer) 5 μg
Hysteresis Accel bias: 0.4 mg, Accel gain: 600 PPM, Gyro bias: 0.3 °/s, Gyro gain: 1000 PPM
Communication Port Type 2 x Micro D9
Communication Interface RS-232, USB
Update Rate IMU: 1000 Hz, EKF: 1000 Hz, GNSS: 2 Hz
Inputs/Outputs 4xGPIO
Weight 78 g
Weight 2.751 oz
Size 76 mm x 68.6 mm x 13.3 mm
Size 2.99 in x 2.70 in x 0.52 in
Power Consumption 2.2 W
Input Voltage 4.2 V to 16 V
Minimum Operating Temperature -40 °C
Maximum Operating Temperature 85 °C
Minimum Operating Temperature -40 °F
Maximum Operating Temperature 185 °F
MTBF 389237 h
GNSS Constellations GPS/QZSS, GLONASS, Galileo, BeiDou
GNSS Frequency Bands L1C/A, L2C, L10F, LSOF, E1B/C, E5B, B1, B2
Sensing Range (Accelerometer) 8 g
Sensing Range (Gyroscope) 300 °/s
Sensing Range (Magnetometer) 8 Gauss
Sensing Range (Pressure) 1260 mbar
Accuracy Horizontal Position (single point): 1.25 m, Vertical Position (single point): 2 m, Horizontal Position (RTK): 0.02 m, Vertical Position (RTK): 0.02 m, Velocity accuracy (single point): 0.1 m/s, Velocity accuracy (RTK): 0.05 m/s, Roll/Pitch: 0.05 °, Heading (dual antenna): 0.25 °
Ingress Protection Rating Not Rated
Housing Material Aluminum
Software MSCL, ROS, SensorConnect
Mounting Style Screw Down, Precision Alignment
Mouser shop 130-3DMGQ7
3DM-GQ7-GNSS/INS
Performance Grade Tactical Grade
Features Accelerometer, Gyroscope, Magnetometer
Random Walk Accel: 20 µg/√/Hz, Gyro: 0.15 °/√hr
Bias Instability (Gyroscope) 1.5 °/hr
Bias Instability (Accelerometer) 5 μg
Hysteresis Accel bias: 0.4 mg, Accel gain: 600 PPM, Gyro bias: 0.3 °/s, Gyro gain: 1000 PPM
Communication Port Type 2 x Micro D9
Communication Interface RS-232, USB
Update Rate IMU: 1000 Hz, EKF: 1000 Hz, GNSS: 2 Hz
Inputs/Outputs 4xGPIO
Weight 78 g
Weight 2.751 oz
Size 76 mm x 68.6 mm x 13.3 mm
Size 2.99 in x 2.70 in x 0.52 in
Power Consumption 2.2 W
Input Voltage 4.2 V to 16 V
Minimum Operating Temperature -40 °C
Maximum Operating Temperature 85 °C
Minimum Operating Temperature -40 °F
Maximum Operating Temperature 185 °F
MTBF 389237 h
GNSS Constellations GPS/QZSS, GLONASS, Galileo, BeiDou
GNSS Frequency Bands L1C/A, L2C, L10F, LSOF, E1B/C, E5B, B1, B2
Sensing Range (Accelerometer) 8 g
Sensing Range (Gyroscope) 300 °/s
Sensing Range (Magnetometer) 8 Gauss
Sensing Range (Pressure) 1260 mbar
Accuracy Horizontal Position (single point): 1.25 m, Vertical Position (single point): 2 m, Horizontal Position (RTK): 0.02 m, Vertical Position (RTK): 0.02 m, Velocity accuracy (single point): 0.1 m/s, Velocity accuracy (RTK): 0.05 m/s, Roll/Pitch: 0.05 °, Heading (dual antenna): 0.25 °
Ingress Protection Rating Not Rated
Housing Material Aluminum
Software MSCL, ROS, SensorConnect
Mounting Style Screw Down, Precision Alignment
Mouser shop 130-3DMGQ7

Everything you need to get started

Access your sensor's comprehensive online user manual. Find detailed setup instructions, calibration procedures, troubleshooting guides, and technical specifications all in one convenient location. 

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Software

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InertialConnect Screenshot - GNSS Statuses

InertialConnect is the preferred software solution for MicroStrain inertial sensors. With InertialConnect, you can easily configure your sensors, adjust parameters, upgrade firmware, and deploy preconfigured parameter files. You can also verify sensor outputs with intuitive visualizations, including times eries data, position data, and statuses.

InertialConnect is compatible with both PC desktop and Linux operating systems, making it your go-to solution for precision and efficiency in inertial sensor management.

Learn More
sensorconnect-without-tag

SensorConnect is the next generation in desktop sensing software.

From configuration of nodes and starting networks, to collecting and analyzing data in real-time, SensorConnect provides a modern, powerful experience with our Wireless, Inertial, and Displacement products.

Using our intelligent data collection and graphing algorithms, you are able to visualize massive amounts of data instantly, and then zoom in on points of interest just as fast.

Built in MathEngine functionality allows for both real-time and post-processed math, such as generating FFTs, averages, RMS, etc.

Learn More
SensorCloud Laptop and Desktop

SensorCloud is a unique sensor data storage, visualization, and remote management platform that leverages powerful Cloud computing technologies to provide excellent data scalability, rapid visualization, and user programmable analysis.

MicroStrain sensors can instantly upload their data to SensorCloud via an ethernet-connected WSDA-2000. Once uploaded, your data is securely stored in the Cloud and can be accessed from anywhere, or downloaded for offline use.

Configurable alerts can be set to help notify you of real-time event in your data.

MathEngine allows you to perform analytics on your data, all in the Cloud. Pre-built functions are available for ease of use, while IPython Notebooks allow advanced users to write custom scripts to be run on their data once, or on a schedule.

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logo-rtkapp sensorcloud

SensorCloud RTK is a multi-continent, IP-based RTK cloud network that delivers centimeter-level position accuracy from day one without complex setup, featuring network coverage across the U.S., Europe and beyond.

When paired with compatible MicroStrain navigation systems, it offers seamless scalability from development to production with professional technical support throughout.

Visit RTK.Sensorcloud navigate_next
mscl-logo

The MicroStrain Communication Library (MSCL) is our open-sourced API that simplifies writing code to interact with our sensors. MIP SDK is a lightweight C/C++ library for interacting with MicroStrain G and C-series products via baremetal and resource constrained microcontrollers.

Both APIs are readily available and fully-documented on GitHub, featuring valuable tools such as full documentation, example code, and a quick start guide.

Learn More About MSCL