The ATGM336H GPS+BDS Module with Antenna is a compact and versatile Global Navigation Satellite System (GNSS) receiver module, ideal for a wide range of applications, from embedded systems and drones to vehicle trackers and IoT devices. This module is particularly well-suited for use in Arduino and ESP32 projects, offering a reliable and efficient means of integrating GPS functionality.

Key features of the ATGM336H include its high position accuracy, rapid update rate, and robust tracking sensitivity. The module communicates via a UART (TTL serial) interface, with a default baud rate of 9600 bps, and outputs standard NMEA 0183 sentences, making it easy to integrate into existing systems.

In terms of technical specifications, the ATGM336H offers the following key features:

• VCC: Power (usually 3.3–5 V on breakout boards)


• GND: Ground


• TX: GPS data output


• RX: GPS configuration input


• PPS: 1 Pulse Per Second timing output (optional)

Typical performance characteristics of the ATGM336H include:

• Position accuracy: about 2.5 m (CEP)


• Update rate: 1–10 Hz


• Tracking sensitivity: around −162 dBm


• Cold start: approximately 30 seconds under open sky

The ATGM336H is suitable for a variety of applications, including:

• Embedded systems: The module's compact size and low power consumption make it an ideal choice for embedded systems.


• Drones and robotics: The ATGM336H's high accuracy and rapid update rate make it well-suited for use in drones and robotic systems.


• Vehicle trackers: The module's ability to provide accurate location data makes it a popular choice for vehicle tracking applications.


• IoT devices: The ATGM336H's low power consumption and compact size make it an ideal choice for use in IoT devices.


• Arduino and ESP32 projects: The module's ease of use and compatibility with Arduino and ESP32 platforms make it a popular choice for hobbyists and developers.