Wi-fi Technology

By Joe Biju Jose, 12th Aug 2012 | Follow this author | RSS Feed | Short URL http://nut.bz/22fqi_92/
Posted in Wikinut>Reviews>Technology>Networking & Wi-Fi

WI-Fi...The name of a popular wireless networking technology that uses radio waves to provide wireless high-speed Internet and network connections. The Wi-Fi Alliance, the organization that owns the Wi-Fi (registered trademark) term specifically defines Wi-Fi as any "wireless local area network (WLAN) products that are based on the Institute of Electrical and Electronics Engineers'

Wi-Fi the wireless network connection
Wi-fi's Applications
Devises on which Wi-Fi is Applicable

Wi-Fi the wireless network connection

Wi-fi

The name of a popular wireless networking technology that uses radio waves to provide wireless high-speed Internet and network connections. The Wi-Fi Alliance, the organization that owns the Wi-Fi (registered trademark) term specifically defines Wi-Fi as any "wireless local area network (WLAN) products that are based on the Institute of Electrical and Electronics Engineers' (IEEE) 802.11 standards."

Initially, Wi-Fi was used in place of only the 2.4GHz 802.11b standard, however the Wi-Fi Alliance has expanded the generic use of the Wi-Fi term to include any type of network or WLAN product based on any of the 802.11 standards, including 802.11b, 802.11a, dual-band, and so on, in an attempt to stop confusion about wireless LAN interoperability.

If you've been in an airport , coffee shop, library or hotel recently, chances are you've been right in the middle of a wireless network. Many people also use wireless networking, also called WiFi or 802.11 networking, to connect their computers at home , and some cities are trying to use the technology to provide free or low-cost Internet access to residents. In the near future, wireless networking may become so widespread that you can access the Internet just about anywhere at any time, without using wires.
WiFi has a lot of advantages. Wireless networks are easy to set up and inexpensive. They're also unobtrusive -- unless you're on the lookout for a place to use your laptop , you may not even notice when you're in a hotspot. In this article, we'll look at the technology that allows information to travel over the air. We'll also review what it takes to create a wireless network in your home.

Wi-Fi works with no physical wired connection between sender and receiver by using radio frequency (RF) technology, a frequency within the electromagnetic spectrum associated with radio wave propagation. When an RF current is supplied to an antenna, an electromagnetic field is created that then is able to propagate through space. The cornerstone of any wireless network is an access point (AP). The primary job of an access point is to broadcast a wireless signal that computers can detect and "tune" into. In order to connect to an access point and join a wireless network, computers and devices must be equipped with wireless network adapters

Wi-fi's Applications

Wi-fi

Wifi hotspots in India are very rare. So first you need to buy a wireless adapter. Then a wireless modem or router. And then an Internet Connection. After you have all this, you can use wifi.

Generally, you have a wireless router, which is connected to a modem, which is connected to the internet through a internet provider for a monthly fee. Your computer should have an option to search for and connect to a wireless router, giving you a wireless connection in a 30-50 foot circle around the router. Sometimes you can find free unlocked (not password protected) wifi connections in public places.

Devises on which Wi-Fi is Applicable

Mobiles and Tabs and Laps

Wi-fi can be use with Ipads,GAlaxys,and other tabs...Alos they can be use with mac book,macbookpro..etc..and also on some othe laps..Its is maiinly used on tablets but is also use on mobiles like samsung galaxy s1,s2,s3...and so on..

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