GI820 High-Precision Fiber Optic Integrated Navigation System INS GNSS

Place of Origin CHINA
Model Number GI820
Minimum Order Quantity 1 set
Packaging Details BWSENSING BOX,Express package
Delivery Time 5-8 working days
Payment Terms T/T

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Product Details
Data Output Format RS-422 Vibration(Hz, G2/Hz) 20~2000,0.06
Bias Stability(º/h) 0.5 Position Accuracy(km) ≤10,0.5h ≤0.06,5min
Speed Accuracy(m/s) ≤0.03 Attitude Angle Accuracy(deg) ≤0.05
Random Walk Coefficient(º/√h) ≤0.05
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GNSS global navigation satellite system


odomete global navigation satellite system


electronic navigation system accuracy 0.03 m/s

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Product Description

GI820 High-precision Fiber Optic Integrated Navigation System



The GI820 can support Various sensors such as GNSS/odometer/DVL/barometric altimeter according to use demands, and has excellent scalability. It combines inertial measurement with satellite navigation, odometer information and other information through the use of multi-sensor data fusion technology.


Performance index

External GPS effective 4m baseline North Seeking Accuracy(deg) ≤2.5*Secant Latitude
Azimuth Accuracy(deg) ≤0.05
Attitude angle Accuracy(deg) ≤0.05
Speed Accuracy(m/s) ≤0.03
Position Accuracy(m) ≤2m/RTK 2cm
GPS outages Azimuth Keeping Accuracy(deg) ≤0.5,1h
Attitude angle maintaining accuracy(deg) ≤0.05,1h
Position accuracy(km)



System measurement range Azimuth measurement range(deg) ±180
Attitude measurement range(deg) ±90
Gyroscope Measurement range(deg/s) ±1000
Bias stability(º/h) 0.5
Bias repeatability(º/h) 0.5
Random walk coefficient(º/√h) ≤0.05
Scale factor Non-linearity (ppm) ≤100
Scale factor asymmetry(ppm) ≤100
Scale factor repeatability(ppm) ≤100
Accelerometer Measurement range (g) ±10
Offset stability(mg) 0.07
Bias repeatability(mg) 0.07
Scale factor repeatability(ppm) ≤200
Environmental parameters Operating temperature(℃) -40~+65
Storage temperature(℃) -45~+70
Vibration(Hz, g2/Hz) 20~2000,0.06
Shock(g, ms) 30,11
Electrical parameters Input voltage(Vdc) +9~+36
Power(W) 20
Data output format RS-422
Data refresh rate (Hz) 100

Mechanical parameters

Size(mm) 145×121.5×125
Weight(kg) 3
Connector Y11P-1210ZK10
GI820 High-Precision Fiber Optic Integrated Navigation System INS GNSS 0

● Space stabilization platform, antenna system stabilization

● Attitude/azimuth reference system, multi-beam attitude sensing

● Navigation and control of unmanned vehicles, unmanned aerial vehicles, and unmanned ships

GI820 High-Precision Fiber Optic Integrated Navigation System INS GNSS 1

Company introduction

Wuxi Bewis Sensing Technology LLC(BWSENSING) is an innovative fast growing company established in 2010. The company was born in The Institute of Microelectronics (IME) of Peking University. We have achieved the top spot in the middle and high-end industry applications in the Chinese market.

From 2019, BWSENSING ® is approved as our global brand.With 10 years experience in the research-design-development and manufacture of a range of Inertial sensor technology, BWSENSING posses the skills, knowledge and experience to provide fully integrated OEM/ODM design and manufacturing services for Inclinometer, Electronic Compass, IMU, AHRS, GNSS/INS and Fiber Optic Gyroscope. As the company co-founder Dr. Guangyi Shi said, we will use the Accurate and Cost-effective sensors to make a greater contribution to the global society for a better IoT world.


GI820 High-Precision Fiber Optic Integrated Navigation System INS GNSS 2




Q1: Accuracy definition of products

A: RMS accuracy, the accuracy of each product can be traced.Accuracy test report can be provided if required.


Q2: How to select suitable model?

A: Users should check the following points:

a. Single or dual axis?

b. Commom protocol, Modbus or CAN?

c. Dynamic or static Application scenarios?

d. Horizontal or vertical installation?


Q3: How to purchase?


A: If you want sample, please purchase on BWSENSING online shop. We accept Paypal/TT/CC.If you purchase in bulk, it is recommended to consult the sales for the best price.


Q4: How long is the warranty period?

A: One year.


Q5: Precausions for using Electronic compass

A: Please refer to manual, and keep away from sensitive items like iron or motors, or even your cell phone;Electronic compass outputs magnetic north, not true north.


Q6: How to calibrate electronic compass?

A: a. Consult Sales about corresponding calibration videos.

b. It is divided into common calibration and 12 point calibration. The 12-point calibration is only for high-precision electronic compass.

c. Customized NMEA output.