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M20/M21/M22

GNSS/INS High-precision Positioning Module

Based on Alice, the automotive-grade GNSS SoC from Bynav, M20/M21/M22 have 54 pins and adopt LGA package. They feature high-precision measurement engine, navigation engine and functional safety engine.

 

Specifications and Guides

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. 

GNSS/INS Deeply-coupled Combined Navigation

Anti-jamming, L-Band Supported

Features

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

Model

M20

M21

M22

Horizontal Positioning Accuracy

Single Point

1.5 m (RMS)

RTK

1 cm + 1 ppm (RMS)

Vertical Positioning Accuracy

Single Point

2.5 m (RMS)

RTK

1.5 cm + 1 ppm (RMS)

Number of Channel*

1507 Channels

Tracking

L-Band*

3 channels, 1525~1559 MHz

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-jamming*

Categories

Single-frequency, Multitone, Sweeping, Pulse, Narrowband

Interference-Signal Ratio

65 dBc

Max Transfer Rate

GNSS Observation

50 Hz

GNSS Position Results*

10 Hz

First Positioning Time

Cold start

≤ 30 s

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

Weight

2 g

3 g

4 g

Electrical Specification

Power Consumption

500 mW (Typical)

Environmental Specification

Working Temperature*

-40~+85°C

Storage Temperature*

-40~+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

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
    Automatic Driving
  • UGV
    UGV
    UGV
  • UAV
    UAV
    UAV
  • USV
    USV
    USV
  • Surveying and Mapping
    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.

GNSS/INS Module

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

Request a Quote / Trial

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