WiFi is a wireless data transmission technology. They can also be used to provide Internet access to devices that are within the range of its network. 

Wi-Fi provides internet service in private homes, offices and public spaces. They are targeted to provide internet connection to many devices at a time. Home WiFi routers are domestic devices to connect with few internet devices. Some strong WiFi devices are capable of connecting more than 100 devices, which are used in public places.


They are not just internet providers. But are capable of connecting different devices wirelessly. For example: Laptops and mobile devices can be connected wirelessly to a printer through WiFi. A print out can be taken without any wired connections. Most of the IoT devices are enabled to interconnect through a WiFi network.