Explainer: How Wi-Fi works

There are set specifications used to implement wireless communication. These are established by the Institute of Electrical and Electronics Engineers, which currently uses 802.11 to transmit data, similar to the way a radio station would use a particular bandwidth to connect with listeners.

Article Link: http://www.watoday.com.au/technology/technology-news/explainer-how-wifi-works-20170202-gu4krl.html