Boreas D70 & D90

Using world-first Digital FOG technology, Boreas D90 is an ultra-high accuracy INS offering 40% lower SWaP-C (Size, Weight, Power, and Cost).

Roll & Pitch
0.005 °
Heading (Gyrocompass)
0.01 ° seclat
Bias Instability
0.001 °/hr
Position Accuracy
10 mm

Using world-first Digital FOG technology, Boreas D70 offers a complete GNSS/INS with automatic Gyrocompassing and competitive SWaP-C (Size, Weight, Power, and Cost).

Learn more about DFOG.

Roll & Pitch
0.01 °
Heading (Gyrocompass)
0.1 ° seclat
Bias Instability
0.01 °/hr
Position Accuracy
10 mm
Boreas (DFOG) | Advanced Navigation

Boreas combines cutting-edge closed-loop Digital Fibre Optic Gyroscope (DFOG) and closed-loop accelerometer technologies with a dual antenna RTK GNSS receiver.

These are coupled in a sophisticated fusion algorithm to deliver accurate and reliable navigation. The system features ultra-fast gyro compassing, acquiring and maintaining an accurate heading under all conditions with no reliance on GNSS.

Boreas is compatible with our post-processing kinematic (PPK) software Kinematica.



Boreas | Digital Fibre Optic Gyroscope (DFOG)

Revolutionary DFOG Technology

Boreas takes Fibre Optic Gyroscope (FOG) technology into the next generation with new, patent-pending Digital FOG (DFOG) technology, developed over 25 years with 2 research institutions. This revolutionary DFOG technology combines a specially designed closed-loop optical coil with advanced spread spectrum digital modulation techniques that have never been used in a FOG before. The resulting DFOG offers dramatically improved accuracy, stability, and reliability with significantly reduced size, weight, power, and cost.
Fast North Seeking

Ultra-Fast North Seeking

The superior accuracy of the DFOG technology enables the Boreas range to rapidly determine heading, without the need for GNSS or magnetometers. By sensing the Earth's rotation, Advanced Navigation's revolutionary north-seeking algorithm allows Boreas to acquire an accurate heading within minutes of start up. This can be achieved in both static and dynamic conditions, as well as at high latitudes.

Trusted Reliability


Boreas has been designed from the ground up for rugged reliability. Both the hardware and software are designed and tested to safety standards. The precision aluminium enclosure is waterproof and dustproof to the IP67 standard. The system is resilient to shock and vibration, allowing them to be used in the most extreme conditions. The hardware is designed and tested to MIL standards. The GNSS variants contains RAIM, which excludes malfunctioning or tampered satellite signals.

Industry Leading SWAP

Industry-Leading SWaP-C

Based on ground-breaking DFOG technology, the Boreas range offers industry-leading size, weight, power and cost, when compared to competing systems of similar performance.

Protocols Interfaces

Multi Protocol Support

The Boreas range features multiple interfaces including Ethernet, CAN, RS232, RS422 and GPIOs. It supports all the industry standard protocols including NMEA, CANopen, NTP, PTP, as well as a wide variety of proprietary protocols. A rich, responsive embedded web interface provides full access to all of the device's internal functions and data. Internal storage allows for up to 1 year of data logging.





Roll & Pitch Accuracy | D90
0.005 °
Roll & Pitch Accuracy | D70
0.01 °
Heading Accuracy (dual GNSS, 1m separation) | D90
0.006 °
Heading Accuracy (dual GNSS, 1m separation) | D70
0.01 °
Heading Accuracy (without GNSS) | D90
0.01 ° secant latitude
Heading Accuracy (without GNSS) | D70
0.1 ° secant latitude
Gyrocompass Coarse Alignment (without GNSS)
2 minutes
Accuracy with Odometer (no GNSS) | D90
0.01 % distance travelled
Accuracy with Odometer (no GNSS) | D70
0.05 % distance travelled
Horizontal Position Accuracy (RTK or PPK)
0.01 m
Vertical Position Accuracy (RTK or PPK)
0.015 m
Horizontal Position Accuracy (SBAS)
0.5 m
Vertical Position Accuracy (SBAS)
0.8 m
Velocity Accuracy
0.005 m/s
Heave Accuracy
2 % or 0.02 m (whichever is greater)
Output Rate
1000 Hz



± 15 g
Bias Instability
7 ug
Initial Bias
< 100 ug
Initial Scaling Error
340 ppm
Scale Factor Stability | D90
100 ppm
Scale Factor Stability | D70
150 ppm
150 ppm
Cross-axis Alignment Error
< 0.001 °
Noise Density | D90
30 ug/√Hz
Noise Density | D70
40 ug/√Hz
Random Walk | D90
17 mm/s/√hr VRW
Random Walk | D70
23 mm/s/√hr VRW
300 Hz


± 490 °/s
Bias Instability (D90)
0.001 °/hr
Bias Instability (D70)
0.01 °/hr
Initial Bias (D90)
< 0.01 °/hr
Initial Bias (D70)
< 0.05 °/hr
Initial Scaling Error (D90)
80 ppm
Initial Scaling Error (D70)
100 ppm
Scale Factor Stability (D90)
10 ppm
Scale Factor Stability (D70)
20 ppm
10 ppm
Cross-axis Alignment Error
< 0.001 °
Noise Density (D90)
0.06 °/hr/√Hz
Noise Density (D70)
0.3 °/hr/√Hz
Random Walk (D90)
0.001 °/√h ARW
Random Walk (D70)
0.005 °/√h ARW
400 Hz


10 to 130 kPa
Bias Instability
8 Pa
Initial Bias
< 50 Pa
Noise Density
0.4 Pa/√Hz
50 Hz


Advanced Navigation Aries
Supported Navigation Systems
GPS L1, L2 • GLONASS L1, L2 • GALILEO E1, E5b • BeiDou B1, B2
Supported SBAS Systems
Update Rate
Up to 20 Hz
Hot Start First Fix
2 s
Cold Start First Fix
30 s
Horizontal Position Accuracy
1.2 m
Horizontal Position Accuracy (with SBAS)
0.5 m
Horizontal Position Accuracy (with RTK)
0.01 m
Velocity Accuracy
0.05 m/s
Timing Accuracy
20 ns
Acceleration Limit
4 g


Ethernet • RS232/RS422 • CAN • 1PPS
100Mbit • 4800 to 4M baud serial
AN Packet Protocol • NMEA • CANopen
Peripheral Interface
2x GPIO • 1x Auxiliary RS232
GPIO Level
5 V (RS232) • 3.3 V
GPIO Functions
1PPS input/output • Odometer input • DVL/USBL input • Air Data input • Zero Velocity input • NMEA input/output • Novatel GNSS input • Trimble GNSS input • AN Packet Protocol • CAN/CANopen


Operating Voltage
9 to 36 V
Input Protection
-200 to 200 V
Power Consumption (Typical)
12 W
Hot Start Battery Capacity
> 48 hrs
Hot Start Battery Charge Time
30 mins
Hot Start Battery Endurance
> 10 years
Operating Temperature
-40 °C to 75 °C
Environmental Protection
IP67 • MIL-STD-810H
> 70,000 hrs
Shock Limit
50 g 11 ms
8g rms (20-2000 Hz random)
160 x 140 x 115.5 mm
2.8 kg


Datasheet D90
Nov 2023 - V1.3
Datasheet D70
Nov 2023 - V1.0
Reference Manual D70 & D90 (Online)
Reference Manual D70 & D90 (PDF)
19 Apr 2024 - V1.8
3D Model
25 May 2021 - V1.0
Boreas D90 Performance Evaluation
Nov 2023 - V1.1


Boreas Manager

Boreas Manager is used for testing, configuration, firmware management and logging with Boreas. Java 11 is required to run Boreas Manager v7.0 and later. Adoptium JRE 11 is the recommended Java installer. Please see the reference manual for more information.

11 Apr 2024 – v7.3

Boreas D70 Firmware

Firmware for Boreas D70 hardware versions. This can be loaded onto Boreas using the web interface or the Boreas Manager software. The change log can be found in the Boreas reference manual.

3 Apr 2024 – v1.81

Boreas D90 Firmware

Firmware for Boreas D90 hardware versions. This can be loaded onto Boreas using the web interface or the Boreas Manager software. The change log can be found in the Boreas reference manual.

3 Apr 2024 – v1.81

Boreas SDK

The Boreas SDK provides example source code for interfacing with Boreas through the AN Packet Protocol. The languages provided are C/C++, Java, and .Net C#.

15 Feb 2023 – v7.1

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