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New LoraWAN GPS Concentrator

New LoraWAN GPS Concentrator

Click to enlarge image PG1301-10.jpg


  • Support Raspberry Pi 3B/3B+/4
  • Up to -142.5dBm sensitivity with SX1257 Tx/Rx front-end
  • 70 dB CW interferer rejection at 1 MHz offset
  • Able to operate with negative SNR, CCR up to 9dB
  • Emulates 49x LoRa demodulators and 1x (G)FSK demodulator
  • Dual digital TX&RX radio front-end interfaces
  • 10 programmable parallel demodulation paths
  • Dynamic data-rate (DDR) adaptation
  • GPS Module to provide timestamp and location info
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Flashing an ESP32

Flashing an ESP32

Module is an WEMOS LOLIN32 v1.0.0

pip install esptool
esptool -p COM4 erase_flash 
## Testing Flashing Micropython
esptool -p COM4 --baud 460800 write_flash -z 0x1000 esp32-idf4-20191102-v1.11-549-gf2ecfe8b8.bin
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MicroPython & ULP/RTC Memory

MicroPython & ULP/RTC Memory

Big power advantages exist for using the ULP ( Ultra Low Power ) processor for regular tasks like recording a state change from a GPIO or ADC input, storing the information within the RTC memory, then waking the main CPU up when the information needs to be transmitted via Lora.… Read More