Inertial Systems

Precise Navigation Made Simple

ACEINNA’s inertial solutions deliver high precision in an easy-to-use open source development environment. Our fully temperature calibrated solutions deliver the performance needed to sense the real-world motion of today’s intelligent systems.

Inertial Measurement Units (IMU)

Open IMU solutions offer best-in-class IMU performance with fully customizable, open source algorithms.

Tilt Sensors

Ruggedized, environmentally sealed inertial sensors that can survive tough construction, agriculture and industrial applications.

Inertial Navigation Systems (INS)

GNSS & IMU sensors combined to deliver cm level accuracy positioning and inertial positioning estimation.

Navigation Studio

Simulate -> Code & Deploy -> Analyze Navigation Systems


Easily create a virtual IMU, motion trajectory and navigation algorithm simulations.

Code & Deploy

Customize and deploy algorithms directly on ACEINNA’s OpenIMU hardware using Free VS Code Extension. Implement an INS Kalman Filter.


Connect ACEINNA OpenIMU directly to ACEINNA Navigation Studio to record and analyze real-world results.

OpenIMU Development Platform

Link to OpenIMU



The ACEINNA INS401 is a state-of-the-art, high performance Inertial Navigation System with an RTK-enabled GNSS receiver, triple-redundant inertial sensors, and Positioning Engine. It is designed for use in L2+ and higher ADAS and other high-volume applications requiring precise position information. The INS401 provides cm-level accuracy, enhanced reliability, and superior performance during GNSS outages. The dead reckoning solution delivers strong performance in GNSS challenged urban environments. The INS401 is qualified for automotive applications, and is certified to ASIL-B level according to ISO26262.

Watch our CES 2022 news video about the new INS401 Navigation system

User Manual
Position Accuracy (RTK) 2cm
Position Accuracy (SPS) 1.2m CEP
Heading Accuracy 0.2deg
Attitude Accuracy 0.02deg
Velocity Accuracy 0.01+/- m/sec
Velocity Range 515m/s
Rotational Rate Range 200+/- deg/s
Accel Range 8+/- g
Features and Benefits
  • 100 Hz GNSS/INS solution; position, velocity, attitude

  • Supported GNSS

    GPS L1 C/A + L2C
    BeiDou B1I + B2I
    Galileo E1 +1 E5B
    QZSS L1 C/A + L2C
  • 80 channels tracking and RTK algorithm support for centimeter level accuracy
    Integrated and calibrated triple-redundant MEMS Inertial Measurement Unit – ±8 g and ±200 °/s

  • Ethernet

  • 1PPS output

  • Single (INS401) and Dual (INS402) antenna versions available

  • Includes functionality for saving navigation data prior to shut down for faster initialization

  • Autonomous Vehicles (Passenger Vehicles, Robo-Taxis, Shuttles, Autonomous Trucks)
  • ADAS Systems
  • Agriculture Vehicle Auto Steer Systems
  • Construction Vehicles