NB-IoT what it is and how does it work?
![NB-IoT network](https://thingslog-stage.lkjh.me/wp-content/uploads/2020/01/NB-IoT-1024x804.jpg)
NB-IoT is the future of low power for smart metering and monitoring over cellular networks. It fits into the LPWAN space by offering a technology able to handle large number of low power devices in a controlled and smart way on top of the existing 4G.