GPS L76X Multi-GNSS HAT for Raspberry Pi

This is a Raspberry Pi GNSS HAT from Waveshare, supporting multi-GNSS systems like: GPS, BDS, and QZSS. This GPS HAT offers you the following advantages: Fast positioning, high accuracy, and low power consumption. 

Recommended Accessories:

• ML1220

Features:

• External GPS antenna for better reception
• Supports multi-GNSS systems: GPS, BDS, and QZSS
• EASY™, self-prediction technology for fast positioning
• AlwaysLocate™, smart control of periodic measurement for power saving
• Supports DGPS, SBAS (WAAS/EGNOS/MSAS/GAGAN)
• UART communication baud rate: 4800 to 115200bps (9600bps default)
• Integrated battery holder supports the rechargeable ML1220 battery to store ephemeris data
• 4x LEDs to indicate the module's operating status
• Good documentation and example code available on Waveshare Wiki
• Programming examples available for the following controllers: Arduino, stm32, Jetson Nano and 

Application Examples:

• Vehicle tracking
• Asset tracking
• Security system
• Industrial PDA
• GIS application

Documentation:

• Waveshare Wiki
• Schematic
• User Manual English
• Demo Code

Ports and Functions L76X Multi-GNSS HAT:

1. L76B GPS Module
   
2. CP2102: USB to UART converter
3. CAT24C32: EEPROM
4. RT9193-33: Power manager
5. Backup mode wakeup button
6. Standby switch
7. Indicators:
• RXD/TXD: UART RX/TX indication
• PPS: GPS status indication
• PWR: Power indication
8. Raspberry Pi GPIO connector: to connect with Raspberry Pi
9. USB TO UART connector
10. GNSS antenna connector
11. Battery holder supports the rechargeable ML1220 battery to store ephemeris information and achieve hot starts
12. UART selection jumper:
• A: Control the L76B via USB TO UART
• B: Control the L76B via Raspberry Pi
• C: Access to Raspberry Pi via USB TO UART

Technical Details:

• Communication interface: UART
• Baud rate: 4800 to 115200bps (9600bps default)
• Update rate: 1Hz (default), 10Hz (max.)
• Protocols: NMEA 0183, PMTK
• Supply voltage: 5V / 3.3V DC
• Operating current: 13mA
• Time-To-First-Fix @-130dBm (EASY™ enabled):
• Cold start: <15s
• Warm start: <5s
• Hot start: <1s
• Operating temperature: -40°C to 85°C
• Dimensions: 65mm x 30.5mm
• Weight:  158g

Package Contents: 

• 1x GPS L76X Multi-GNSS HAT for Raspberry Pi
• 1x GPS External Antenna
• 1x USB Type A Plug to Micro USB Cable x1
• 1x RPi Screw Set
• 2x 20-pin Header