M20/M21/22

GNSS/INS Module

It is capable of providing continuous, real-time and reliable high-precision position in harsh environments where satellite signals are interfered or blocked. Featuring high integration, high performance, low power consumption and small size, the modules can be applied in automatic driving, advanced driver assistance, lane-level navigation, drones, intelligent robots, precision agriculture, surveying and mapping, etc.

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GNSS/INS Deeply-coupled Combined Navigation

Anti-jamming, L-Band Supported

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Designed for Excellence

Features

• Based on Alice, the 22 nm process GNSS SoC
• Full-constellation and full-frequency (1507 channels)
• L-Band and CLAS supported
• NRTK/PPP/PPP-RTK supported
• Anti-jamming and anti-spoofing
• Various interfaces

Performance Built-in IMU Performance Other Specification Documentation

Performance

Model		M20	M21	M22
Horizontal Positioning Accuracy	Single Point	1.5 m (RMS)
Horizontal Positioning Accuracy	RTK	1 cm + 1 ppm (RMS)
Vertical Positioning Accuracy	Single Point	2.5 m (RMS)
Vertical Positioning Accuracy	RTK	1.5 cm + 1 ppm (RMS)
Number of Channel*		1507 Channels
Tracking	L-Band*	3 channels, 1525~1559 MHz
	BDS-2	B1I, B2I, B3I
	BDS-3	B1I, B1C, B2a, B2b (PPP), B3I
	GPS	L1 C/A, L1C, L2, L5
	GLO	G1, G2
	GAL	E1, E5a, E5b, E6*
	QZSS	L1 C/A, L1C, L2, L5, L6*
	NavIC (IRNSS)	L5
	SBAS*	L1 C/A
Anti-jamming*	Categories	Single-frequency, Multitone, Sweeping, Pulse, Narrowband
Anti-jamming*	Interference-Signal Ratio	65 dBc
Max Transfer Rate	GNSS Observation	10 Hz
Max Transfer Rate	GNSS Position Results*	10 Hz
First Positioning Time	Cold start	≤ 30 s
First Positioning Time	Hot start	≤ 5 s
DR Accuracy		—	0.8 %	0.2 %
RTK Initialization		≤ 5 s
Re-acqusition Time		≤ 1s
Timing Accuracy		20 ns (RMS)
Velocity Accuracy		0.03m/s (RMS)
RTK Solution Delay		≤ 50 ms
Mechanical and Electrical (M20)	Size (mm)	17.0×22.0×2.75
	Weight (g)	2g
	Power Consumption	500 mW		540 mW
Operating Temperature*		-40°C ~ +85°C
Storage Temperature*		-40°C ~ +105°C
Humidity		95% Non-condensing
IATF 16949*
ISO 26262 ASIL B*
AEC-Q104*
RoHS

* Optional or check the collection for details

Model		M21	M22
Gyroscope	Range	±300°/s	±300 °/s (XY) ±460 °/s (Z)
	Bias Instability	5 °/h	5 °/h (XY) 1 °/h (Z)
	Bias over Temperature	0.3 °/s	0.3 °/s (XY) 0.07 °/s (Z)
Accelerometer	Range	±16 g	±16 g
	Bias Instability	50 μg	50 μg
	Bias over Temperature	5 mg	5 mg

Model		M20	M21	M22
Physical Specification	Size	17.0×22.0×2.75 mm
Physical Specification	Weight	2 g	3 g	4 g
Electrical Specification	Power Consumption	495 mW (Typical)
Environmental Specification	Working Temperature*	-40~+85°C
	Storage Temperature*	-55~+105°C
	Humidity	95% Non-condensing
Interfaces	UART SPI* RMII* CANFD Wheel Tick ANT_DETECT GEOFENCE PPS FuSa* EVENT_IO	×4 ×1 ×1 ×2 ×1 ×1 ×1 ×1 ×2 ×5

* Optional or refer to the specification for more information

Documentation

Product Summary

Product Manual

Test Report

M20_Anti-jamming_Test_Report

2024.07.17

PDF

548.2KB

Software Download

BY_Connect_Upper Computer Software

2024.10.11

ZIP

25.77MB

Enhancing Your Experience

Accessory & Evaluation Kit

Optimizing Performance for Every Need

Applications

It can provide real-time, continuous and reliable centimeter-level position with results of velocity and attitude. Also, it can be applied to different fields such as autonomous driving, surveying and mapping.

Automatic Driving
UGV

UGV
UAV

UAV
USV

USV
Surveying and Mapping

Surveying and Mapping

Ensuring Excellence in Every Step

Mass Production and Quality

Bynav has all-round automotive certificates, sophiscated equipment and fully-automated production lines to ensure mass production capacity as well as reliable and high-quality products.

Automated Production Lines

To ensure the quality and consistency of assembly and testing of boxes and modules.

Automotive Certificates

ISO 26262 ASIL B (Product), ISO 26262 ASIL D (Management) , ISO/SAE 21434, AEC-Q104, AEC-Q100, ASPICE, IATF 16949.

Smart Management Systems

To record key data throughout the entire product life cycle and make every process traceable and manageable.

Experimental Capability

IMU Calibration Center, GNSS Laboratory, Functional Test, Durability/Environmental Test, Optical/Vision Inspection.

Trial application

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M20/M21/M22

GNSS/INS High-precision Positioning Module