To support 4G LTE / NB-IoT connection, Nuvoton Technology provides UNO-to-PCI adapter board, which allows the telecom module to be used on Nuvoton NuMaker series development platform through UART or USB interfaces. The adapter board supports Quectel EC21 4G/LTE and Quectel BG96 NB-IoT modules.


Please refer Quectel web site for EC21 module



UNO to PCIe adapter board specification:

  • One mini PCIe interface for specified telecom modules
    • Quectel EC21 miniPCIe (4G/LTE)
    • Quectel BG96 miniPCIe (NB-IoT)
    • ZTE ME3616 (NB-IoT)
  • Support UART (via Arduino) and USB interface
  • UART supports Tx/Rx/CTS/RTS signals
  • UART supports 1.8v or 3.3v voltage
  • One mini SIM card slot
  • One RESET button
  • One telecom module status LED
  • Three LED controlled by GPIO



Related Resources

Adapter Board User Manual | Schematics and Layout | Online Purchase


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