Wi-Fi is atrademarkof theWi-Fi Alliancethat may be used with certified products that
belong to a class ofwireless local area network(WLAN) devices based on theIEEE 802.11standards and is used for internet. The termWi-Fiis often used as a synonym for IEEE 802.11 technology because of the close relationship with its underlying standard. This Alliance is a global non-profit association of companies that promotes WLAN technology and certifies products if they conform to certain standards of interoperability and not every IEEE 802.11-compliant device is submitted for certification to the Wi-Fi Alliance. This is because of costs associated with the certification process and the lack of the Wi-Fi logo does not imply a device which is incompatible with it. An IEEE 802.11 device is installed in manypersonal computers,video game consoles,smart phones,printers, and otherperipherals, and virtually alllaptopor palm-sized computers nowadays.
WI FI router is the most commonly used for internet connections and gives fabulous signal without fluctuation. So the network must be password protected other anybody outside your place can even use your net connection. Doors and walls affect the signal strength of the connection so there is a problem if the WI FI router is used in separate rooms. WI FI router gives the same speed as the wiring network. This WIFI router comes in different companies like Netgear, Linksysm and Buffalo. WIFI routers are not much expensive also. It is the most convenient way to use internet anywhere around the world with the WI FI router.