Do You Know Much Information About Wifi

By Author: Isabel
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Recently, when people want to select a mobile phone, they are not just desiring a mobile phone. Mobile phones have not been used to make a call or a message, businessmen sent e-mail and search online by mobile phones, too.

Have you hear WiFi? Some kinds of mobile phone has this function but some are not. Today, let us talk about WiFi.

WiFi Alliance was founded in 1999. At that time its name is called the Wireless Ethernet Compatibility Alliance. In October 2002, officially changed its name to WiFi Alliance. It is a short-range wireless technology that can support hundreds of feet of Internet access within the radio signal. As technology advances, and the IEEE 802.11a and IEEE 802.11g standards appear, now the IEEE 802.11 standard has now been referred to as WiFi. From the application level, if someone want to use the WiFi, users must have WiFi compliant client device firstly.

WiFi is a way to help users access e-mail, Web and Internet streaming media technology. It provides users with wireless broadband Internet access. At the same time, it is also in the home, office or on the road access to the Internet ...
... fast, convenient way. WiFi network to access a place called hot spots. 802.11G WiFi or work in the 2.4Ghz band, supports speeds up to 54Mbps. There are also two space 802.11 protocols, including (a) and (b). They are also publicly available, but 802.11G / N in the world's most commonly used.

The hotspots of WiFi is through the Internet connection to install the access point created. This access point will transmit radio signals through short - generally covering 300 feet. When a Wi-Fi enabled devices (such as Pocket PC) encounters a hotspot, the device can connect to that wireless network. Most hot spots are located for public access areas such as airports, coffee shops, hotels, bookstores, and schools and so on. Many homes and offices also have Wi-Fi networks. Although some hotspots are free, but most of the stability of public Wi-Fi networks by private Internet service provider (ISP) to provide, so will the users to connect to the Internet for a fee.

Due to WiFi is a technology to connect personal computers, handheld devices (Eg PDA, mobile phones) and other terminals wireless to each other. Now WiFi technology has been used in personal computer and mobile phones. In the future, more and more places will use this technology.
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