A wireless network makes it possible to connect several devices or several computers in a network, without the use of wires. Thanks to wireless technologies, it is possible to access shared resources, particularly the internet, from several different locations: this is called "mobility".
WiFi technology (also called 802.11) is the most widely used wireless local area network technology. This technology makes it possible to connect computers over a distance of approximately three hundred feet at a shared speed ranging from a dozen Megabits per second (Mbps) to several dozen Mpbs.
WiFi technology offers two operating modes: