M5Stack GPS v2.0 Module AT6668 with External Antenna

The M5Stack GPS v2.0 Module with the AT6668 chip offers high-precision GNSS positioning and is compatible with multiple satellite navigation systems. It supports GPS, BD2, BD3, GLONASS, GALILEO, and QZSS, ensuring accurate and reliable real-time positioning. The module is ideal for IoT applications, vehicle navigation, industrial automation, and smart cities. Thanks to the external SMA antenna, high accuracy is achieved even in weak signal areas. The integrated DIP switch function allows flexible switching between TX/RX communication pins. Additionally, the module provides a PPS signal output for precise time measurement. Designed for use with UIFlow 1.0, UIFlow 2.0, and Arduino IDE, this GPS module is a perfect solution for developers and tech enthusiasts.

Features:

• Supports multiple satellite navigation systems including GPS, BD2, BD3, GLONASS, GALILEO, and QZSS for precise global positioning.
• Multi-frequency and multi-system reception to ensure optimal signal quality and improved accuracy.
• Highly sensitive AT6668 chip enables fast and reliable positioning even in challenging environments.
• External SMA antenna offers improved reception performance and can be positioned more flexibly.
• PPS signal output can be used for high-precision time measurement.
• DIP switch for flexible adjustment of TX/RX pins, enabling easy integration with different microcontrollers.
• Low power consumption, ideal for use in energy-efficient applications.
• Compact design with multi-stack support, perfect for integration into existing IoT and navigation systems.
• Supports UIFlow 1.0, UIFlow 2.0, and Arduino IDE, ensuring easy programming and integration.

Application Examples:

• Vehicle Navigation: Track the exact position of your vehicle in real-time with highest precision.
• IoT Positioning: Ideal for smart city applications, asset tracking, and connected devices.
• Industrial Automation: Use the module for positioning in automated manufacturing facilities.
• Geodata Collection: Perfect for GIS applications and high-precision mapping.
• Robot and Drone Navigation: Enables precise control and navigation for autonomous systems.

Documentation: 

• M5Stack Wiki
• Official M5Stack Forum

Technical Specifications:

• Manufacturer: M5Stack  
• Manufacturer SKU: M003-V2
• SoC: AT6668
• Supported Satellite Systems: GPS, QZSS, BD2, BD3, GALILEO, GLONASS
• Received Frequency Bands:
• BDS: B1I + B1C
• GPS/QZSS/SBAS: L1
• GALILEO: E1
• GLONASS: R1
• Channels: 50
• Position Accuracy: <1.5 m (CEP50)
• Position Update Rate: up to 10 Hz
• Protocol: NMEA 0183 4.1
• Sensitivity:
• Tracking: -162 dBm
• Acquisition: -160 dBm
• Cold Start: -148 dBm
• Start Time:
• Cold Start: 23 seconds
• Warm Start: 1 second
• Power Consumption:
• Standby: DC 5V / 42.78 µA
• Operation: DC 5V / 41.96 mA
• Dimensions: 54.0 x 54.0 x 13.1 mm
• Weight: 77g

Package Includes:

• 1x M5Stack GPS v2.0 Module AT6668 with external antenna
• 1x External active GPS/BD antenna (cable length: 1 m)