Quectel-EC21A

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 modules.

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