L76K Multi-GNSS Module

WaveshareSKU: WAV-23721
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Sale price £13.50
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The L76K GPS Module is a Multi-GNSS (Global Navigation Satellite System) module. It can acquire and track any mix of 3 multiple satellite constellations, providing simultaneous GPS, GLONASS, BeiDou, Galileo and QZSS open service L1 reception capability. This increases the number of visible satellites and reduces time-to-first-fix, allowing accurate navigation in settings such as urban canyons. 

The module also has AGNSS (Assisted GNSS) to significantly improve the start-up performance by providing the necessary data to the device via a radio network instead of the slow satellite link, essentially "warming up" the receiver for a fix, a low-noise amplifier for improved reception sensitivity, a SAW filter for enhanced noise reduction performance, and online resources and a manual for ease of use. 

It's also compatible with multiple platforms including Raspberry Pi, Pico, Arduino, ESP32 and STM32.

Note: The Raspberry Pi is NOT included

Features

  • Supports Multi-GNSS systems: GPS, BeiDou (BDS), GLONASS and QZSS
  • Low-Noise Amplifier (LNA) for improved reception sensitivity
  • SAW Filter for enhanced noise reduction performance
  • AGNSS
  • 1PPS
  • UART communication baud rate: 4800~115200bps (9600bps by default)
  • Rechargeable Li battery MS621FE, for preserving ephemeris information and hot starts
  • 2x LEDs for indicating the module working status
  • Online development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)

What's on Board

Pinout

VCC Power supply (3.3V/5V)
TX Connect to MCU.RX (Signal direction: TX >> MCU.RX)
RX Connect to MCU.TX (Signal direction: MCU.TX >> RX)
PPS GPS status indicator

Specifications

GNSS GPS/GLONASS/BDS/QZSS
CHIP PLATFORM AT6558R
L1 BAND RECEIVER CHANNELS 32 tracking
72 acquisition
SBAS N/A
A-GNSS Supported
SENSITIVITY ACQUISITION -148dBm
RE-ACQUISITION -160dBm
TRACKING -162dBm
TTFF (TIME TO FIRST FIX) COLD STARTS 30s, Autonomous
5.5s, With AGNSS
HOT STARTS 2s
POSITION ACCURACY 2.0m CEP
SPEED ACCURACY 0.1m/s
ACCELERATION ACCURACY(MAX) 0.1m/s²
TIMING ACCURACY 30ns
UPDATE RATE (MAX) 5Hz
UART BAUDRATE Range: 4800~115200bps
Default: 9600bps
GNSS DATA UPDATE RATE Max: 5Hz
Default: 1Hz

Resources

Package Contents

  • 1x L76K GPS Module
  • 1x PH2.0 5-pin cable 

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