Gravity: GNSS GPS BeiDou Receiver Module - I2C & UART

DFRobotSKU: TEL0157
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Global Navigation Satellite Systems (GNSS) provide critical timing and positioning functions for device operations.

This Gravity: GNSS positioning module from DFRobot supports BeiDou, GPS, GLONASS and other multi-satellite systems. It offers quick delivery of position data like longitude, latitude, altitude and time. Compared with traditional single GPS positioning, the multi-system combination embraces higher precision and faster speed thanks to the increased number of visible and available satellites, which ensures stable and accurate performance even in complex urban environments.

With I2C and UART data outputs, this GNSS positioning module works well with main controllers like Arduino, ESP32, and Raspberry Pi, which can be widely applied to outdoor positioning scenarios such as vehicle navigation and handheld positioning.

Connection Examples:

I2C Connection Diagram

UART Connection Diagram

Features

  • Supports both single and multiple systems positioning
  • Higher precision and faster speed than traditional single GPS positioning

Specifications

  • Operating Voltage: 3.3 to 5.5V DC
  • Output Signal: I2C/UART
  • Positioning Accuracy: 2.0m CEP
  • Time for First Positioning: 30s for a cold start; 2s for hot start
  • Power Consumption: 40mA
  • Antenna Interface: IPEX1
  • Antenna Frequency: 1561-1575.42MHz±3MHz
  • Dimension: 27mm x 37mm

Resources

Pinout

Num Label Description
1 D/T I2C data line SDA/UART Data Transmitting- TX
2 C/R I2C clock line SCL/UART Data Receiving- RX
3 - GND
4 + VCC

Package Contents

  • 1x Gravity: GNSS Positioning Module
  • 1x GPS/BeiDou Active Ceramic Antenna (IPEX1 Connector)
  • 1x Gravity 4P Sensor Cable

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