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Chapter 1: Introduction     
 
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About Wireless (Radio) Connections 
Your adapter communicates by radio transmission. Radio waves travel in all directions, 
and can be transmitted through walls and floors. This section on wireless connections 
explains wireless network types and provides important information about wireless 
performance. 
Types of Wireless Networks 
There are two types of wireless networks: infrastructure and ad hoc. 
In an infrastructure network, a wireless adapter connects to a wireless network 
through a central wireless access point, gateway, or router, such as a Microsoft 
Wireless Base Station. This type of network is often used when a broadband Internet 
connection will be shared among computers, or when there are more than two 
computers or devices on a wireless network. The following illustration shows an 
infrastructure network.