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The WiFi is a system allowing the wireless connection between a computer device (computer, tablet, smartphone) to the Internet via the transmission of radio waves. Appeared in 1997, this technology is today part of the daily lives of millions of French people. Airports, cafes or trains, WiFi is now present in more and more public places. To learn more about this system, discover our complete guide! The essential: WiFi connects a computer device to the Internet or other wireless device. During a WiFi connection, data is transmitted via radio frequencies to a router. The main alternative to WiFi is Li-Fi, but it is not yet available for individuals. What is WiFi? Wireless Fidelity (WiFi) is a technology that allows wireless connection between a computer and the Internet, as well as between devices (for example, between a computer and a printer). Data is transmitted at high speed thanks to radio waves. The WiFi appellation is actually a registered trademark formerly Wireless Ethernet Compatibility Alliance. Simpler to remember, the name WiFi is now also used in everyday life to refer to the IEEE 802.11 standard. In some countries, such as Germany or the United States, the term Wireless Local Area Network (WLAN) […]