M20D/M21D

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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Designed for Excellence

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
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*		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
Anti-interference*	Interference-Signal Ratio	65 dBc
Max Transfer Rate	GNSS Observation	50 Hz
Max Transfer Rate	GNSS Position Results*	5 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

* Optional or check the collection for details

Model		M20D	M21D
Mechanical	Size	16.0×21.0×2.6 mm
Mechanical	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

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.