you must ever see somebody hold the WIFI mobile phone to browse the internet freely in the coffee shops, airports, libraries, hotels, supermarkets and campground among other public places. But do you know they have to find a hotpot first to make it? If not, you may read the following to know more about WIFI.
Wi-Fi, which stands for wireless fidelity, in a play on the older term Hi-Fi, is a wireless networking technology used across the globe. Wi-Fi refers to any system that uses the 802.11 standard, which was developed by the Institute of IEEE and released in 1997.
In a Wi-Fi network, computers with WIFI network cards connect wirelessly to a wireless router. The router is connected to the Internet by means of a modem, typically a cable or DSL modem. Any user within 200 feet or so of the access point can then connect to the Internet, though for good transfer rates, distances of 100 feet or less are more common. Retailers also sell wireless signal boosters that extend the range of a wireless network.
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.
WIFI networks can either be "open", such that anyone can use them, or "closed", in which case a password is needed. An area blanketed in wireless access is often called a wireless hotspot. 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.
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.
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