Wi-Fi Logo — Wi-Fi is a mechanism for connecting electronic devices on a LAN . Devices enabled with Wi-Fi, such as a PC, game console, a smartphone or a digital audio player can connect to the Internet through an access point wireless network . This access point (or hotspot ) has a range of about 20 meters (65 feet) indoors and outdoors a greater distance. They can cover large areas of multiple overlapping access points. Wi-Fi is a trademark of the Wi-Fi Alliance (formerly WECA : Wireless Ethernet Compatibility Alliance ), the trade organization that adopts tests and certifies that it meets the standard 802.11 wireless networks related to local area.
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This new technology arose from the need to establish a wireless connection mechanism was consistent between different aparatos.Buscando that compatibility was that in 1999, companies 3Com, Aironet , Intersil , Lucent Technologies , Nokia and Symbol Technologies met to create the Wireless Ethernet Compatibility Alliance WECA , now called Wi-Fi Alliance. The purpose of it was to appoint a brand that would allow more easily promote wireless technology and ensure compatibility of equipment. Thus, in April 2000 WECA certifies the interoperability of equipment according to standard IEEE 802.11b , under the brand Wi-Fi. This means that the user is assured that all computers that have Wi-Fi seal can work together seamlessly, regardless of manufacturer of each of them. You can get a complete list of equipment that are certified Wi-Fi Alliance — Certified Products . More