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Wi-Fi, is short of wireless fidelity. It is a wireless networking technology that is used across the world. Originally, wi-fi is the brand licensed by the Wi-Fi alliance for describing the underlying technology of the WLAN, wireless local area networks. It was developed to be used for the mobile computing devices, such as laptops, in LANs.
In present days, Wi-Fi is increasingly used for more services, including Internet and VOIP phone access, gaming and basic connectivity of the consumer electronics – televisions, DVD players, or digital cameras. Wi-Fi refers to any system, which uses the 802.11 standard. More standards are now developing that allows Wi-Fi, so to be used by the cars in highways in supporting an Intelligent Transportation System for increasing the safety, and enable the mobile commerce.
Wi-Fi and the Wi-Fi certified logo are the registered trademarks of the Wi-Fi Alliance. In the Wi-Fi network, the computers with the Wi-Fi network cards connect wirelessly to a wireless router. The router is connected to the Internet by the means of a modem, particularly DSL modem or a cable. Any user within 200 feet of the access point can easily connect to the Internet.
Retailers also sell wireless signal boosters that extend the range of a wireless network. Wi-Fi networks can either be ‘open’ that means anyone can use them, or ‘closed’, which requires a password. Wireless hotspot is the area that is covered in wireless access. Wi-Fi technology uses the radio for communication, operating at a frequency of 2.4GHz. Wi-Fi Certified electronics are guaranteed to inter-operate with each other irrespective of brand. Laptops, PDAs and other various accessories are designed to be Wi-Fi compatible.
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Submitted by admin on Thu, 04/19/2007 - 06:46.