Introduction to How WiFi Works

If you’ve been in an airport, cafe, library or hotel recently, chances are you’ve been at the heart of a wireless network. Many people use the wireless network, also called Wi-Fi or 802.11 networking, to connect their computers at home, and some cities are trying to use technology to deliver free or cheap Internet access to residents. In the near future, the wireless network in May was so widespread that you can access the Internet anywhere at any time, without spending a Sunday

WiFi has a lot of advantages. Wireless networks are easy to create and inexpensive. They are also unobtrusive - unless you’re looking for a place to use your laptop, you may not even notice when you are in a hotspot.