The term Wi-Fi ( wireless fidelity or fidelity without cables) is used to designate all computing solutions that use 802.11 wireless technology to create networks. 802.11 is the most widely used standard for connecting computers remotely. The most frequent use of this technology is the connection of laptops to the Internet from the vicinity of an access point or hotspot. These points are more and more abundant and allow any user to use the network without having to install a telephone cable. The emission and reception of data is done through radio frequency. There are different connection formats, but the most popular is known as 802.11b, which operates in the 2.4 gigahertz band, the same as the microwaves in mobile telephony.
What is a wi-fi network?
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