M5Stack : mini GPS/BDS (AT6558), Grove

GPS Module with Grove connexion (UART)

This product is Global Positioning System (GPS / BDS) integrating the AT6558 GPS and MAX2659 signal amplifier. BDS is the deignation for the chinese GPS (named BeiDou).

The AT6558 is high performance chip supporting many satellite navigation system. It can receive satellite signals over 56 GNSS channels signal. GNSS cover Galileo from European, NAVSTAR from USA, GLONASS from Russia and BeiDou/Compass from China which allow to achieve position, navigation, timing and more.

The module is able to obtain accurate global location information. quick and accurate positioning for anywhere in the world, under the overhead, and inside the car.

The module can be used in vehicle monitoring, bus reporting, car navigation, onboard navigation, notebook navigation, etc.

As this module use an UART to send the data (see the blue connector on the module), it must be connected to the C port of the M5 Core.

Technical details

• UART config: 9600 Bps, 1 start bits, 1 stop bit, no parity
• Positioning accuracy: 2.5m
• Channels: 56
• Positioning update: 1 to 10Hz
• Max altitude: 1800m
• Max speed: 515 m/s
• Max acceleration: <= 4g
• Sensitivity
  
  • Tracking: -162 dBm
  • Capture: -148 dBm
  • Cold start: -146 dBm
• Cold start: 35 seconds
• Warm start: 32 seconds
• Hot start: 1 second
• Operating temp.: -40°C to 85°C
• Weight: 13 gr