Design sketch
High Performance BeiDou B1I+B1C+B2a Dual-band RTK Module
ME3BGR03 is a high-performance, highly integrated single-BeiDou (BDS) high-precision positioning module, designed to support signal reception and accurate positioning within the BeiDou satellite navigation system.
It integrates an advanced positioning chip with a built-in high-precision RTK positioning algorithm, delivering reliable centimeter-level accuracy. The module is designed for compatibility with mainstream positioning modules on the market, while offering low power consumption and a miniaturized form factor to enhance device endurance and design flexibility.
Target applications include bike sharing, drones, vehicle navigation, and fleet management. When used in conjunction with the BeiDou ground-based augmentation system, the ME3BGR03 provides robust performance for high-precision navigation and positioning.
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ME3BGR03 Parameters | |
Satellite Tracking Channel | 128 |
Satellite Systems | BDS: B1I, B1C, B2a Beidou B1C (Customised firmware support) |
Frequency of Data Updates | 1Hz |
Position Accuracy[1] | single point level ＜2m CEP50 |
RTK level 1cm+1ppm CEP50；altitude 2cm+1ppm CEP50 | |
Speed and Time Accuracy | velocity ＜0.05m/s CEP50 |
PPS ≤20ns 1σ | |
First Positioning Time | Hot start：＜1s |
Cold start：32s | |
A-BDS[2] ：3-6s | |
Sensitivity[3] | Cold start: -144dBm Recapture: -158dBm Tracking: -166dBm |
Application Limit | Speed Limit: 515m/s |
Height Limits: 18,000m | |
Security Check | Built-in antenna short circuit and open circuit detection |
Connector | UART 2; I2C 1 |
Data Format | NMEA 0183 Agreement Ver. 4.1 RTCM 3.2 Qianxun Ownership Agreement |
Working Conditions | Mains voltage:1.8~3.6V |
Standby voltage:1.8-3.6V | |
RTK positioning mode:≤103mW @1.8V | |
Standby mode:＜22μW @1.8V | |
Storage Temperature | -40℃ ~ +85℃ |
Operating Temperature | -40℃ ~ +85℃。 |
Package Size | 10.1*9.7*2.5mm LCC Stamp hole packaging |
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