Quectel LG77L GNSS Module
Overview
The Quectel LG77L is a compact GNSS transceiver module designed for precise positioning in a variety of applications. It supports multiple global navigation satellite systems including BeiDou, Galileo, GLONASS, and GPS, operating across 1.561GHz, 1.575GHz, and 1.602GHz. Its small 7x7x2mm package and low power consumption make it suitable for space-constrained and battery-powered designs.
Why Choose This Part
This module offers multi-constellation GNSS support, enhancing positioning accuracy and availability. Its integrated anti-jamming technology and multi-tone active interference canceller improve performance in challenging RF environments. The LG77L features multiple low-power modes, drawing as little as 900uA in Standby Mode, which is crucial for battery-operated devices.
Applications
Key Specifications
Getting Started
Quectel provides an SDK and AT commands for easy integration and control of the LG77L module via its UART and I2C interfaces. Developers can begin by connecting the module to a host microcontroller and using the provided documentation to configure settings and retrieve positioning data. An external antenna is required for operation.



