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. Many
people also use wireless networking, also called WiFi or 802.11
networking, to connect their computers at
home, and an increasing
number of
cities
use the technology to provide free or low-cost
Internet access to
residents. 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.
One wireless router can allow multiple devices to connect to the Internet.
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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.
First, let's go over a few WiFi basics.
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WiFi at Alibaba - the world’s largest online base of suppliers and importers.
