M5Stack C-Back NB-loT Global version (SIM7020G) [Discontinued] Brand_PCSensor Multiple MicroPython code examples including

Multiple MicroPython code examples including initial starter code

connect to wifi) and then go back to sleep - giving you months of untethered battery life

The display is 1

and data is 3V logic "TTL" serial

shapes and images

M5Stack C-Back NB-loT Global version (SIM7020G) [Discontinued] Brand_PCSensor Multiple MicroPython code examples includingThe CBack NB IoT is an NB IoT communication module adapted to the M5StickC C Plus series, with a built in SIM7020G module that covers most of the world's Cat NB frequency band. It integrates the SMA external antenna interface, improves the communication quality, and the signal stability of the device. It supports a variety of common IoT communication protocols (MQTT, HTTP, CoAP, etc.), which is suitable for various low latency and low throughput