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NB-IoT HAT -GSM SIM7020E - Hat for Raspberry Pi 4B/3B+/3B/2B/Zero - Waveshare 15936
NB-IoT overlay for Raspberry Pi, which allows for creating GSM network connections. Supports communication protocols such as LWM2M/COAP/MQTT. Communicates via serial interface UART (RX, TX) via AT commands.
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