13-12-2012, 05:24 PM
Wireless Fidelity
Wireless Fidelity.ppt (Size: 348 KB / Downloads: 44)
Introduction
Wireless Technology is an alternative to Wired Technology, which is commonly used, for connecting devices in wireless mode.
A Wi-Fi is an electronic devices, such as a personal computer, video game console, Smartphone, or digital audio player can connect to the internet via a wireless network access point.
An access point (or hotspot) has a range of about 20 meters (65 feet) indoors as few rooms and a greater range outdoors, as many square miles.
Wi-Fi access can provide at Organizations and businesses such as homes, offices, airports, hotels and restaurants often provide free-use hotspots to attract or assist clients.
How Wi-Fi works
There are three most important items which makes Wi-Fi working in your laptop or desktop. These are,
Radio Signals
Wi-Fi Card which fits in your laptop or computer.
Hotspots which create Wi-Fi Network.
How to connect Wi-Fi Network?
Basic concept is same as Walkie talkies.
A Wi-Fi hotspot is created by installing an access point to an internet connection.
An access point acts as a base station.
When Wi-Fi enabled device encounters a hotspot the device can then connect to that network wirelessly.
A single access point can support up to 30 users and can function within a range of 100 – 150 feet indoors and up to 300 feet outdoors.
Many access points can be connected to each other via Ethernet cables to create a single large network.
Wi-Fi Applications
As Wi-Fi enabled devices have become more and more popular, wired devices are quickly becoming a thing of the past. Check out some of the new ways that Wi-Fi is being used below.
Home or office.
Large Corporations & Campuses
Small Businesses or SOHO.