M21/22 GNSS/INS Module

Deeply-coupled Combined Navigation System

M21/22 is based on Alice, the new 22nm process high-performance automotive grade GNSS SOC from Bynav, with high-precision measurement and navigation engine, inertial navigation unit and functional safety processor, it can reach the functional safety ASIL B and support high-performance NRTK/PPP/PPP-RTK solution, deeply-coupled combined navigation, anti-jamming, L-BAND and CLAS SBAS.

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M21/22

GNSS/INS Module

It can deal with harsh environments such as satellite signal interference and outage and provide continuous, real-time and reliable high-precision position. The module featuring high integration, high performance, low power consumption and small size can be applied to automatic driving, advanced driver assistance, lane-level navigation, drones, intelligent robots, precision agriculture, surveying, mapping and many other fields.

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Full Constellation & Frequency GNSS Signal Solution

Features

- Deeply Coupled Combined Navigation Algorithm Performance improvement by 2 to 5 times
- Functional Safety. Essential for intelligent driving
- Anti-interference. Adapting to urban areas and interference environments
- Satellite-based Augmentation Signal Reception
- Full-system and Full-frequency
- Combined navigation computing power and 1 P-Module can achieve PBOX functionality.

GNSS Performance GNSS/INS Performance Interfaces Documentation

GNSS Performance

Model		M21	M22
Horizontal Positioning Accuracy	Single Point	1.5m (RMS)
Horizontal Positioning Accuracy	RTK	1cm + 1ppm (RMS)
Vertical Positioning Accuracy	Single Point	2.5m (RMS)
Vertical Positioning Accuracy	RTK	1.5cm + 1ppm (RMS)
Number of Channel*		1507 Channels
Tracking	L-Band*	Supported
	BDS	B1I, B2I, B3I, B1C, B2a, B2b (PPP)
	GPS	L1 C/A, L1C, L2, L5
	GLO	G1, G2
	GAL	E1, E5a, E5b, E6
	QZSS	L1 C/A, L1C, L2, L5, L6 (CLAS)
	NavIC (IRNSS)	L5
	SBAS*	L1 C/A
Anti-interference*	Model	Single-frequency, Multitone, Sweeping, Pulse, Narrowband
Anti-interference*	Interference-Signal Ratio	65 dBc
Max Transfer Rate	GNSS Observation	50 Hz
Max Transfer Rate	GNSS Position Results*	10 Hz
First Positioning Time	Cold start	≤ 30 s
First Positioning Time	Hot start	≤ 5 s
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
DR accurarcy(2σ)	0.80%	0.20%
INS positioning frequency	100 Hz
IMU raw data rate	100 Hz
INS solution latency	≤5 ms

Interfaces	Qty.
UART SPI* RMII* CANFD Wheel tick ANT_DETECT GEOFENCE PPS FuSa* EVENT_IO	×4 ×1 ×1 ×2 ×1 ×1 ×1 ×1 ×2 ×5

* Optional

Documentation

Product Summary

Product Manual

Application Guide

INS Error Performance

2020.09.04

PDF

787.44KB

Software Download

BY_Connect_Upper-computer_Software

2022.08.17

ZIP

38.21MB

Enclosure & Evaluation Kit

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.

Surveying and Mapping
Habour automation

Habour automation
Precision Agriculture

Precision Agriculture
Driver License Testing

Driver License Testing
Deformation Monitoring

Deformation Monitoring

Excellent Quality

Bynav has completed multiple certifications such as German TÜV ISO26262 functional safety, IATF16949 quality system, ISO21434, AEC-Q100, AEC-Q104, CE, FCC, RoHS and SGS.

Adapted to high-intensity impact, vibration and extreme temperature. Along with innovating technology, adhere to the principle of "winning with quality"