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L76K Multi-GNSS Module
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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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