NB-IoT sounds like the name of a robot, but it stands for Narrowband Internet of Things. You probably have heard of Internet of Things (IoT), in which every device is collecting data and connected to the internet. As an example of the benefits of IoT, an IoT fridge can keep track of the groceries stored inside. If any grocery were to run low, it can place an order for fresh groceries to be delivered to your home automatically. You do not need to worry about groceries running low any more. It is an exciting future, isn't it? For the IoT fridge to be able to place orders online, it needs to be connected to the internet, either through WiFi at home or the telco network. Herein comes the NB-IoT. It is a 4.5G telco network that caters for machines instead of humans. NB-IoT is not the only telco network ...