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Tactical-Grade & High-Performance Inertial Sensors: MEMS IMUs, FOG IMUs, Gyroscopes, Accelerometers, INS China
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GuideNav

Tactical-Grade & High-Performance Inertial Sensors: MEMS IMUs, FOG IMUs, Gyroscopes, Accelerometers, INS

China
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GuideNav is an expert developer of cutting-edge inertial sensing and navigation systems for demanding drone and robotics applications. Trusted by industry leaders in over 35 countries, our product ranges offer solutions for the commercial, industrial and defense markets, covering a variety of performance requirements.

Our ITAR-free products are designed with plug-and-play hassle-free integration, making them ideal for a broad range of UAV and unmanned systems designs. With excellent vibration resistance, they deliver the utmost in accuracy and stability even under highly dynamic and challenging conditions.

MEMS AccelerometersGuideNav MEMS Accelerometers

Our MEMS accelerometers offer highly stable and ultra-reliable performance in a low-SWaP package that is ideal for small UAS and unmanned systems. Offering excellent bias stability and noise parameters, they ensure precise motion tracking, control, and navigation, and are highly suited to integration into higher-order systems such as IMUs and INS.

  GUIDEA1010 GUIDEA1030 GUIDEA1050 GUIDEA1100
Measurement Range (Full-Scale) ± 10g ± 30g ± 50g ± 100g
Bias Stability (10s) ≤20µg ≤40µg ≤60µg ≤150µg
Noise ≤15 µg/√Hz ≤30 µg/√Hz ≤50 µg/√Hz ≤130 µg/√Hz
Size 8.9 x 8.9 x 3.1 mm
Bandwidth (-3 dB) ≥100Hz

MEMS GyroscopesMEMS Gyroscopes

Our MEMS gyroscopes offer significant size, weight and cost advantages over FOG and RLG units while still delivering the angular velocity measurement performance required for mission-critical drones and robotics. We offer options with a range of precision and performance parameters, ensuring that you can select a gyro that suits your specific design requirements.

  SDG02
(Single-Axis)		 TDG01
(Three-Axis)		 TDG02
(Three-Axis)
Bias Instability ≤0.5°/h ≤10°/h ≤0.5°/h
ARW 0.03 deg/√h 0.05 deg/√h 0.05 deg/√h
Range ± 450 °/s ± 150 °/s ± 450 °/s
Interface RS-422

Fiber Optic Gyroscopes

GuideNav Fiber Optic GyroscopesOur fiber optic gyroscopes provide the utmost in precision and stability for the most demanding navigation and stabilization requirements. With ultra-low drift rate and excellent immunity to electromagnetic interference, they are ideal for high-end drone and robotics applications where size, weight and power are less constrained.

Single-axis FOG units are highly suited to simple stabilization tasks such as antennas, turrets and cameras, while three-axis FOGs serve complex navigation and 3D angular motion tracking applications.

  GSF50
(Single-Axis)		 GSF70
(Single-Axis)		 GTF40
(Three-Axis)		 GTF120
(Three-Axis)
Bias Instability ≤0.2°/h ≤0.1°/h ≤0.05°/h ≤0.001°/h
ARW 0.02 deg/√h 0.01 deg/√h 0.003 deg/√h 0.0003 deg/√h
Range ± 500 °/s ± 500 °/s ± 500 °/s ± 500 °/s
Interface RS-422

Single-Axis vs. Three-Axis Fiber Optic Gyroscope: Which One is Right for Your System?

Are you struggling to choose the right fiber optic gyroscope (FOG) for your aerospace, defense, or industrial projects? Without the right gyroscopic system, your applications could suffer from instability, inaccurate navigation, and even failure in mission-critical environments. Understanding the differences between single-axis and three-axis fiber optic gyroscopes can help you make an informed decision and ensure the success of your projects.

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MEMS Inertial Measurement Units

GuideNav MEMS Inertial Measurement UnitsCombining three axes of accelerometers and gyroscopes, our MEMS IMUs provide high-accuracy measurements of angular velocity and linear acceleration, delivering critical navigation and control information for drones and autonomous systems. These compact, lightweight and low-power systems are ideal for smaller UAV and robotics designs, and feature a range of performance options.

  GUIDE600 GUIDE688B GUIDE700 GUIDE900
Bias Instability ≤2°/h ≤1.2°/h ≤0.8°/h ≤0.1°/h
Random Walk 0.03 m/s/√h 0.06 m/s/√h 0.06 m/s/√h 0.06 m/s/√h
Range ± 300 °/s ± 450 °/s ± 450 °/s ± 450 °/s
Weight <20g <40g <40g <40g

MEMS IMUs for UAV/Drone Flight Control: Best Models for Precision and Stability

When selecting the MEMS IMU for UAV or drone flight control, it’s essential to ensure top-notch precision and stability. Finding the right one can be difficult, especially with the variety of options available on the market. Poor performance in flight control could lead to loss of control, inaccurate navigation, or overall reduced safety.

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FOG Inertial Measurement UnitsGuideNav FOG Inertial Measurement Units

Our high-end FOG IMUs provide class-leading accuracy and ultra-low drift with bias instability of down to 0.001°/hr, making them ideal for mission-critical UAV and unmanned system designs undertaking long-duration missions. The robust units offer exceptional reliability under high levels of shock and vibration and other demanding environmental conditions.

  GFIMU400 GFIMU500 GFIMU90B GFIMU120
Bias Instability ≤0.1°/h ≤0.05°/h ≤0.01°/h ≤0.005°/h
Random Walk 0.06 m/s/√h 0.06 m/s/√h 0.03 m/s/√h 0.003 m/s/√h
Range ± 500 °/s ± 500 °/s ± 300 °/s ± 500 °/s
Weight <900g <1200g <5000g <5000g

MEMS Inertial Navigation Systems

GuideNav MEMS Inertial Navigation SystemsOur MEMS inertial navigation systems provide accurate, stable and reliable position, velocity, and orientation data for drones, robotics and autonomous vehicles. The cost-effective and low-SWaP MEMS INS range includes single- or dual-antenna variants, as well as GNSS-aided units for uninterrupted navigation performance in GPS-denied environments.

  GUIDE1A
(GNSS-Aided)		 GUIDE2D
(GNSS-Aided, SWaP-C Optimized)		 GMS200
(Dual Antenna, Fast Orientation)
Attitude Accuracy 0.1° 0.1° 0.1°
Heading Accuracy 0.1° 0.1° 0.05°

FOG Inertial Navigation SystemsGuideNav FOG Inertial Navigation Systems

Our FOG-based inertial navigation systems output ultra-precise position, velocity, and orientation data with low drift and superior resistance to shock, vibration, and extremes of temperature. All units are GNSS-aided and feature sophisticated Kalman filtering algorithms, providing unparalleled performance under poor signal conditions such as in urban canyons or during jamming and spoofing.

  GFS40 GFS75 GFS120
Roll & Pitch Accuracy
RMS, (static dual antenna, 2m baseline)		 0.01° 0.005° 0.005°
Heading Accuracy (RMS) 0.05° 0.02° 0.015°
Gyro Bias Stability
(1σ, 10s Mean-Smooth)		 ≤0.15°/h ≤0.02°/h ≤0.006°/h

Products

MEMS Inertial Measurement Units

High-performance multi-axis MEMS IMUs with up to ±6000 °/s gyro range

FOG Inertial Measurement Units

Fiber optic gyroscope IMU with ultra-low bias drift & high stability

Fiber Optic Gyroscopes

High-precision fiber optic gyroscope for demanding navigation & guidance systems

MEMS Accelerometer

Compact MEMS accelerometer with low noise and high stability

MEMS Gyroscope

Compact three-axis MEMS gyroscope for precision motion sensing

MEMS Inertial Navigation Systems

Compact MEMS INS for reliable navigation in unmanned systems

FOG Inertial Navigation Systems

High-precision FOG INS with GNSS-aided navigation & enhanced Kalman filtering

Articles

Latest
GuideNav Explains Key Considerations in Fiber Optic Gyroscope Selection

GuideNav discusses practical considerations for choosing Fiber Optic Gyroscopes, highlighting integration, SWaP, operational performance, and sustained support for navigation systems operating in demanding, GNSS-denied conditions

Jan 08, 2026
GuideNav’s Guide to Selecting the Right MEMS Accelerometer

GuideNav's guide outlines key factors for selecting MEMS accelerometers, focusing on performance, environmental durability, and electrical compatibility to ensure reliable operation across navigation, robotics, aerospace, and defense systems

Dec 08, 2025
How 10-Axis Inertial Sensors Support Navigation & Control in Unmanned Platforms

GuideNav explains how 10-axis MEMS IMUs integrate rotational, linear, magnetic, and altitude sensing, providing comprehensive motion and environmental data for reliable control and positioning in unmanned systems operating in complex, GNSS-challenged environments

Nov 21, 2025
Error Sources & Mitigation Techniques in Inertial Navigation Systems

GuideNav examines the errors Inertial Navigation Systems face and strategies for mitigating drift through modeling, calibration, hardware, and software, highlighting its fully calibrated, field-ready FOG and MEMS solutions designed for reliable, integrated navigation across unmanned, marine, and industrial applications

Oct 27, 2025
GuideNav Highlights Emerging IMU Trends Shaping Tactical Navigation in 2025

GuideNav examines six key IMU technology trends in 2025, highlighting advances in MEMS, FOG, AI calibration, and GPS-denied navigation for tactical platforms

Oct 10, 2025
Fiber Optic Gyroscope Calibration & Maintenance for UAV Navigation Systems

GuideNav examines the lifecycle of Fiber Optic Gyroscopes (FOGs), focusing on calibration requirements and failure prevention strategies, including thermal compensation, mechanical isolation, and lifecycle-aware maintenance, for UAVs, submarines, and missile systems

Aug 22, 2025
GuideNav Enhances Navigation in GNSS-Denied & Complex Environments

GuideNav provides high-precision inertial navigation systems (INS) that maintain reliable positioning in GNSS-denied environments, leveraging sensor fusion, error correction, and field-proven performance across critical applications

Aug 08, 2025
Advancing Gimbal Systems Using GuideNav FOG IMUs

Discover how GuideNav’s FOG IMUs enhance gimbal stability with precision and reliability for demanding defense, aerospace, and robotics applications

Jul 25, 2025
How to Select the Right IMU for UAV Applications

GuideNav outlines the critical considerations for selecting an IMU that matches your UAV’s performance, durability, size, and mission requirements

Jun 12, 2025
GuideNav: Top MEMS IMUs for UAV Flight Control

GuideNav examines MEMS IMU selection for UAV control, comparing accuracy bands and performance levels across consumer, industrial, and military-grade applications

May 12, 2025
How Many Sensors Are Used in a Flight Control System?

GuideNav explores the sensors found in flight control systems, key applications of fiber optic gyroscopes, the company's recommended IMUs for these systems, and much more

Apr 16, 2025
The Advantages of GuideNav IMUs for FPV Drone Flight Control

GuideNav explains how its advanced MEMS IMUs provide critical data to enhance FPV drone flight control, ensuring stability and precision even in challenging flight conditions

Mar 20, 2025
High-Performance MEMS & FOG Inertial Sensors for Drones & Robotics

GuideNav's inertial sensors offer plug-and-play hassle-free integration as well as excellent vibration resistance and high levels of accuracy and stability

Feb 18, 2025

Videos

Latest
Primary Function of the IMU (Inertial Measurement Unit) 

GuideNav is an expert developer of cutting-edge inertial sensing and navigation systems for demanding drone and robotics applications. Trusted by industry leaders in over 35 countries, our product ranges offer solutions for the commercial, industrial and defense markets, covering a variety of performance requirements. Our ITAR-free products are designed with plug-and-play hassle-free integration, making them ideal for a broad range of UAV and unmanned systems designs. With excellent vibration resistance,

MEMS IMU Precise Sensors for Navigation, Stability, and Motion Control
An Overview of Inertial Measurement Units (IMUs)
Understanding Fiber Optic Gyroscopes (FOG)
Regional Offices & Locations
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