iNAT-RQH-400x: RLG Based Navigation, Surveying & Control Systems (0.001 °/sqrt(hr), 0.1...2 nm/h)

High Performance Low Weight / Small Size RLG Based INS of Class < 0.002 °/sqrt(hr)

Attention: For new designs use iNAT-RQT-400x

The iNAT-RQH-400x is a Family of light weight small-size high accurate advanced RLG based INS of class < 0.004 deg/hr / 25 µg, consisting of 3 airborne grade ring laser gyro axes and 3 servo accelerometer axes, integrated GNSS Receiver (GPS, GLONASS, GALILEO, BEIDOU), wheel sensor interface and an advanced 42+ state Kalman filter based INS/GNSS loosly or tightly coupled data fusion.

The iNAT series is used for navigation, guidance and control of vehicles, stabilization of platforms, surveying reference as ground truth etc. in the fields of industrial, automotive, surveying, defense and space applications. The full accuracy range of the members of the iNAT family from economic to high-end can be found here: 

Link to the entire iNAT system family


  • Applications: GNSS aided navigation, free inertial Navigation (air, land, sea, subsea), attitude heading reference (AHRS), surveying, UAV, AUV and RPV guidance & control
  • Real-time data output: longitude, latitude, alttude / height, velocty, roll, pitch, yaw / heading, angular rates, acceleration, status, calibrated raw data INS/GNSS (for post-processing)
  • Interfaces: RS485 (UART and HDLC / SDLC) Interfaces, CANaero / ARINC825 / CAN, ARINC429, Ethernet (TCP/IP and UDP), SYNC-I/Os
  • Data Output rate up to 300 Hz (each data log separately adjustable)
  • Minimum latency and minimum jitter on data output
  • Measurement range +/-800 deg/s, +/-20 g
  • Heading accuracy 0.015 ... 0.05 deg sec lat
    Attitude accuracy < 0.01 ... 0.02 deg
    Position accuracy free inertial 0.2 ... 0.8 nm/hr
    Position accuracy GNSS aided < 1 m (rms) [S/A off]
    Position accuracy GNSS aided 0.02 m (rms) [RTK available]
  • Integrated 42+ state tightly or loosly coupled data fusion
  • Internal GNSS engine, up to L1L2 GPS+GLONASS+GALILEO, RTK, L-Band; SAASM capability available as optional integrated hardware
  • Internally up to 32 GByte non-volatile memory for data storage
  • Power Supply: 10...34 V DC, 25 W
  • Modular System architecture: customized applications can be integrated by iMAR easily (please contact our sales for details). So the iNAT can provide arbitrary data and command protocols according to customer requirement, e.g. to substitute other navigation systems by iNAT (e.g. for Form-Fit-Function replacements)
  • EMI-EMC protection and qualification according to DO160E / MIL-STD-704D / MIL-STD-461E / MIL-STD-810G
  • iNAT-RQH is ITAR controlled (see iNAT-RQT-4003 for an ITAR free solutions).


Further information:

Datasheet iNAT-RQH-4001 / -4002 / -4003

Datasheet iNAT-RQT-400x

iXCOM-CMD: Easy-to-use software (GUI) to operate iNAT systems (incl. powerful wizard)

Publication in SENSORS 2017: INS/GNSS Integration for Aerobatic Flight Applications, Aircraft Motion Surveying and Gravimetry using iNAT-M200 and iNAT-RQx

Im Download-Bereich findet man Handbücher, Berichte von Anwendern und weitere Informationen.

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