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Hi Guys. Welcome to another episode of Learn Technology in 5 Minutes from MAKERDEMY and I am Venkatesh, the founder of MAKERDEMY. In this video, we will learn about NB-IoT, the wireless cellular communication technology for IoT. In an earlier video in this series, we learned about LoRa , the Low Power Wide Area Network radio technology designed for the Internet of Things. LoRa operates in the unlicensed spectrum. Is it possible to build a LPWAN for IoT, in the licensed spectrum? Yes, of course. Enter NB-IoT. NB-IoT or Narrow Band IoT is a standards based LPWAN that can be rolled out on top of the existing cellular network infrastructure. Cellular networks today allow us to transfer large volume of data at high speeds with low latency over very large distances. The trade off is that cellular devices consume a lot of power and are relatively expensive. A lot of IoT use cases have a different set of requirements altogether. Some of these requirements are operating cheap battery powered de