GPS + BeiDou Dual Modules


C-1 , R-6 , I-4


Product ID: 18216 SKU: wifi-18216 Categories: , Tags: , , ,

This is a small-size qucik positioning and navigation module based on the ATGM336H. It can provide real-time location information, and support a variety of satellite navigation systems, such as Beidou/GPS/GLONASS. The positioning accuracy error is measured at about 2.5m.

In serial output mode, the is compatible with various mainboards equipped with serial output: Arduino, Raspberry Pi, STM32, and so on. This module suitable for vehicle navigation,  devices navigatio, handheld positioning, and wearable, etc.


  • Strong signal
  • Support beidou/GPS /GLONASS satellite system
  • Support 3.3-5V power supply, convenient access to 3.3V or 5V single-chip system
  • Come with SMA and IPEX antenna port
  • Onboard rechargeable battery, speed up hot-start and search
  • 2.5m positioning accuracy
  • Baud rate: 9600 (can be set by software)
  • Demension: 25mm x 25mm
  • Antenna length: 10cm

Board overview

  • VCC: Power Input(3.3V-5V)
  • GND: Ground
  • TXD: Transmit
  • RXD: Receive
  • PPS: Pulse Output Per Second


  • Operating Voltage: 3.3-5V
  • SMA and IPEX Antenna Ports
  • Onboard E2PROM for storing configuration settings
  • Onboard XH414 rechargeable battery, speed up hot-start and search
  • Support A-GNSS
  • Cold- start Acquisition Sensitivity: -148dBm
  • Tracking Sensitivity: -162dBm
  • Positioning Accuracy: 2.5m(CEP50, open field)
  • Time to First Fix: 32 seconds (or few minutes, depends on the environment)
  • Low Power: <25mA (work continuously)
  • Built-in antenna detection and antenna short circuit protection function
  • Dimension: 13.1 x 15.7mm/0.52 x 0.62”

Connection Diagram:


Sample Code 1 (Read GPS Data)

Sample Code 2 ($GNRMC GPS Data Analysis)



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