Gmouse

Module-integrated RTK Antenna

Gmouse-M2 series consist of Gmouse-M20, Gmouse-M21 and Gmouse-M22 which are designed as an enhanced unit for agriculture, industrial machinery, automotive positioning, etc. It can be used to boost average accuracy of the original equipments to centimeter level. With the M2 series module built inside, Gmouse is capable of providing continuous, real-time and credible high-precision position and attitudes in harsh environments where satellite signals are interfered or blocked.

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Concise and Easy-to-use High-precision Integrated Antenna

Designed for Excellence

Features

• Deeply-coupled GNSS/INS combined navigation engine

• Built-in high-precision positioning board and IMU

• Specialized multi-vector RTK positioning engine

• Full-constellation and full-frequency

• Modern signals of BDS-3 and Galileo supported

• GNSS and IMU raw data available for post-process

• Lower positioning solution delay

Performance Other Specification Built-in IMU Performance Documentation

Performance

Gmouse
Horizontal positioning accuracy¹	Single point	1.5 m（RMS）
Horizontal positioning accuracy¹	RTK	1 cm + 1 ppm（RMS）
Vertical positioning accuracy¹	Single point	2.5 m（RMS）
Vertical positioning accuracy¹	RTK	1.5 cm + 1 ppm（RMS）
Signal tracking	GPS	L1 C/A、L1C、L2、L5
	GLONASS	G1、G2
	BDS	B1I、B2I、B3I、B1C*、B2a、B2b
	Galileo	E1、E5b、E5a、E6*
	QZSS	L1 C/A、L2、L5、L6*（CLAS）
	L-Band*	Sensitivity：-133 dBm FEC bit：10^-5
Observation accuracy²	Carrier phase	≤1 mm（RMS）
Observation accuracy²	Psudorange	≤0.1 m（RMS）
Dynamic performance	Velocity	≤ 500 m/s
Dynamic performance	Acceleration	≤ 4 g
DR accuracy³	Gmouse-M21	0.8%
DR accuracy³	Gmouse-M22	0.2%
Max data rate	GNSS results⁴	M20：10 Hz M21/M22：5 Hz
Max data rate	INS results	M21/M22：100 Hz
Timing accuracy⁵	20 ns（RMS）
Velocity accuracy	0.03 m/s（RMS）
Anti-jamming	65 dBc（ISR） Multitone with no less than 6 pulses; Narrowband whose band width is not less than 10% of the signal's Fast sweep interference;

* Optional or designated firmware required

Note 1：Typical value. The performance is affected by GNSS systematic characteristics, geometric distribution of satellites, length of baseline, multipath and other interference.

Note 2：Typical value.

Note 3：LAND mode is selected and input of speedometer is effective.

Note 4：M21 and M22 support data rate of up to 10 Hz with combined navigation disabled.

Note 5：Optional, the bias of RF and antenna is not included.

Model		Gmouse
Power consumption (Typ.)	550 mW

Model		Gmouse-M21	Gmouse-M22
Gyroscope	Range	±300 °/s	±300 °/s (XY) ±460 °/s (Z)
	Bias over temperature	0.3 °/s	0.3 °/s (XY) 0.07 °/s (Z)
	Angular random walk	0.15 °/h^½ (X/Y) 0.2 °/h^½ (Z)	0.5 °/h^½ (XY) 0.08 °/h^½ (Z)
	Bias instability	5 °/h	5 °/h (XY) 1 °/h (Z)
	Scale factor error	4‰	4‰ (XY) 2‰ (Z)
	Cross-coupling error	1.7‰ (0.1°)	1.7‰ (0.1°)
Accelerometer	Range	±16 g	±16 g
	Bias over temperature	5 mg	5 mg
	Velocity random walk	0.3 m/s/h^½	0.3 m/s/h^½
	Bias instability	50 μg	50 μg
	Scale factor error	2‰	2‰
	Cross-coupling error	0.9‰ (0.05°)	0.9‰ (0.05°)

Documentation

Product Manual

UG017_Interface Protocol

2024.11.25

PDF

3.3MB

Application Guide

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

Our receivers can be widely used in surveying, mapping, autonomous driving, unmanned systems (UAVs, UAS etc.), driver license testing, digital construction, precision agriculture, deformation monitoring, industrial automation control and many other fields.

Precision Agriculture
Digital Construction

Digital Construction
UGV

UGV
USV

USV
UAV

UAV

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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