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What is Wi-Fi ?

Wi-Fi(Wireless Fidelity) is a network of wireless connection. It is a mode of communication that established. Wi-Fi networks is established by radio frequency like Bluetooth, but has more power, resulting into a strong connection. Wi-Fi is sometimes called 'Wireless Ethernet'. Wi-Fi connections are commonly established in electronic gazettes including video games consoles, home network, PDAs, tablets, mobile phones, I-Pad, I-Pod etc. A wi-fi enabled device such as a PC or PDA can connect to Internet within a range of (wi-fi) wireless network that is connected to the internet.
Wi-Fi Icon

To form a wireless computer network a Wi-Fi adaptor (802.11 b/g) is required with each computer or terminal device. For establishing connection in a local area, access points are installed that increases and coordinates the frequency for transmission and for regularizing the bandwidth of data transfer.

Many companies or institutions make their campus as Wi-Fi zone i.e. in which people in the campus can connect to Internet network. Wi-Fi used to establish network in offices or within the small campus of an organization. It establishes a good network connectivity generally for locations within a distance of 150mts. 
It reduce the usage of spaces as cables are not needed.

Note:- WiMAX stands for Worldwide interoperability for Microwave Access. It is a type of telecommunication technology that provides wireless transmission from multi-point links to portable and fully mobile internet access whose range of operation is within 50 km radius from station. This technology provides speed up to 3  Mbps. IEEE standard for WiMAX is 802.16. It can connect to Internet Connection from far off location and establish wireless internet network in a campus.

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