Features:
The L76K GPS Module is a Multi-GNSS (Global Navigation Satellite System) module, supports GPS, BeiDou (BDS), GLONASS and QZSS systems, allows multi-system combined or single-system independent positioning. Supports AGNSS function, built-in low-noise amplifier and sound surface filter, provides a good positioning experience of fast, accurate, high-performance.
- Supports Multi-GNSS systems: GPS, BeiDou (BDS), GLONASS and QZSS
- Built-in Low-Noise Amplifier (LNA) for improved reception sensitivity
- Built-in SAW Filter for enhanced noise reduction performance
- Support AGNSS
- Support 1PPS
- UART communication baudrate: 4800~115200bps (9600bps by default)
- Onboard rechargeable Li battery MS621FE, for preserving ephemeris information and hot starts
- 2x LEDs for indicating the module working status
- Comes with online development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)
WIKI: www.waveshare.com/wiki/L76K_GPS_Module
Parameters Comparison
| PRODUCT | L76K | L76B | |
|---|---|---|---|
| GNSS | GPS/GLONASS/BDS/QZSS | GPS/BDS/QZSS | |
| CHIP PLATFORM | AT6558R | MT3333(Discontinued) | |
| L1 BAND RECEIVER | CHANNELS | 32 tracking ch/ 72 acquisition ch | 22 Tracking ch/66 acquisition ch |
| SBAS | N/A | Support | |
| A-GNSS | Support | Support | |
| SENSITIVITY | ACQUISITION | -148dBm | -148dBm |
| RE-ACQUISITION | -160dBm | -160dBm | |
| TRACKING | -162dBm | -163dBm | |
| TTFF (TIME TO FIRST FIX) | COLD STARTS | 30s, Autonomous 5.5s, With AGNSS |
35s, Autonomous 15s, with EASY™ |
| WARM STARTS | – | 30s, Autonomous 5s, with EASY™ |
|
| HOT STARTS | 2s | 1s | |
| POSITION ACCURACY | 2.0m CEP | 2.5m CEP | |
| SPEED ACCURACY | 0.1m/s | 0.1m/s | |
| ACCELERATION ACCURACY(MAX) | 0.1m/s² | 0.1m/s² | |
| TIMING ACCURACY | 30ns | 10ns | |
| UPDATE RATE (MAX) | 5Hz | 10Hz | |
| DEFAULT BAUDRATE | 9600bps | 9600bps | |
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