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M20D/M21D

GNSS/INS High-precision Positioning and Heading Module 

Based on Alice, the automotive-grade GNSS SoC from Bynav, M20D/M21D feature high-precision measurement engine, navigation engine and functional safety engine and are capable of providnig consistent, real-time and reliable high-precision position and heading in hash environments of signal jamming and GNSS denial, etc.

 

Specifications and Guides
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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, mapping, etc. 

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Full Constellation & Multi-Frequency GNSS Signal Tracking

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Features

Features

• Based on Alice, the 22 nm process GNSS  SoC
• Full-constellation and Multi-frequency (1500 channels)
• L-Band and CLAS supported
• NRTK/PPP/PPP-RTK supported
• Anti-jamming and anti-spoofing
• Various interfaces

 

Performance Other Specification Documentation
Performance

Model

M20D 

 M21D

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*

1500

Tracking

L-Band*

3 channels, 1525~1559 MHz

BDS

B1I, B2I, B1C*, B2b (PPP)*

GPS

L1 C/A, L1C*, L2

GLO

G1, G2

GAL

E1, E5b

QZSS

L1 C/A, L1C*, L2

SBAS*

L1 C/A

Anti-interference*

Categories

Single-frequency, Multitone, Sweeping, Pulse, Narrowband

Interference-Signal Ratio

65 dBc

Max Transfer Rate

GNSS Observation

50 Hz

GNSS Position Results*

5 Hz

First Positioning Time

Cold start

≤ 30 s

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

* Optional or check the collection for details

Model

M20D 

M21D

Mechanical

Size

16.0×21.0×2.6 mm

Weight

2g

 3g

Electrical

Power Consumption

530 mW

Environmental

Operating Temperature*

-40°C ~ +85°C

Storage Temperature*

-55°C ~ +105°C

Humidity

 95% Non-condensing

Interfaces

UART

×4

SPI*

×1

RMII*

×1

CANFD

×2

Wheel tick

×1

ANT_DETECT

×1

GEOFENCE

×1

PPS

×1

FuSa*

×2

EVENT_IO

×5
Documentation
Product Summary
Product Manual
Application Guide
Software Download

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
    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

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