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M5Stack Mini GPS/BDS Unit

M5Stack Mini GPS/BDS Unit is an M5Core-compatible module that provides BDS/GPS/GLONASS satellite positioning to M5Stack applications. The Mini GPS/BDS Unit is based on the AT6558 Navigation IC, which can receive satellite signals over 56 GNSS channels. The GNSS signals cover Galileo in Europe, NAVSTAR in America, GLONASS in Russia, and BeiDou/Compass in China.

The M5Stack Mini GPS/BDS Unit is designed to connect to port C on the M5Core via a Grove cable, which uses a standard UART interface. 

Features

  • Supports single-system positioning of BDS/GPS/GLONASS satellite navigation systems, or multi-system joint positioning in any combination
  • Supports D-GNSS differential positioning
  • 2x Lego-compatible holes
  • Hangzhou ZhongKe Microelectronics AT6558 BDS/GNSS Full Constellation SOC
  • Maxim Integrated MAX2659 GPS Low-Noise Amplifier
  • 2.5m positioning accuracy
  • 56 channels
  • 1Hz to 10Hz positioning update frequency
  • 1800m maximum height
  • 515m/s maximum speed
  • Sensitivity
    • Tracking: -162dBm
    • Capture: -148dBm
    • Cold start: -146dBm
  • Start Time
    • Cold start: 35 seconds
    • Warm start: 32 seconds
    • Hot start: 1 second
  • -40°C to +85°C operating temperature range
  • Dimensions: 48mm x 24mm x 8mm
  • Weight: 13g

Applications

  • Vehicle positioning and navigation
  • Bus reporting
  • Personal navigation

Kit Contents

  • 1x GPS Unit
  • 1x Grove Cable
  • Hard Plastic Case

Schematic Diagram

Schematic - M5Stack Mini GPS/BDS Unit

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M5Stack Mini GPS/BDS Unit