Wi-Fi

Wi-Fi — A definition of the term Wi-Fi by Know Your Mobile
Wi-Fi — A definition of the term Wi-Fi by Know Your Mobile
Definition: 

Wi-Fi, or Wireless Fidelity, is a trademark of the Wi-Fi Alliance and is used to brand products, such as mobile phones and PCs, which communicate data wirelessly over the IEEE 802.11 specification.

Wi-Fi networks are now commonplace in cities, on trains and in offices around the globe.

The majority of mobile phones and smartphones feature Wi-Fi connectivity and can therefore access a multitude of networks, both in the home, at the office or whilst travelling.