GSM board based on SIM800L for UEXT connector
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README.md
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README.md

GSM board based on SIM800L for UEXT connector

Features

  • Separate power supply from 12V or 5V (GSM board needs 4.2V and 2A)
  • Reverse polarity protection for separate power supply
  • UEXT connector to communicate with host MCU

Top side

Top side of the PCB

Bottom side

Bottom side of the PCB