Cutting-Edge Inertial Sensing & Navigation Systems for Drones & Robotics

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 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 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

Our 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

Combining 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 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

Our 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 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

Articles

Latest

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

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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,