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CHAPTER 3
Wireless LAN Network
This chapter provides background information on wireless LAN networks.
3.1 Wireless LAN Overview
The following figure provides an example of a wireless network with an AP. See Figure 3 on page 21 for an Ad Hoc network example.
Figure 17 Example of a Wireless Network
The wireless network is the part in the blue circle. In this wireless network, devices A and B are called wireless clients. The wireless clients use the access point (AP) to interact with other devices (such as the printer) or with the Internet
Every wireless network must follow these basic guidelines.
•Every device in the same wireless network must use the same SSID.
The SSID is the name of the wireless network. It stands for Service Set IDentity.
•If two wireless networks overlap, they should use a different channel.
Like radio stations or television channels, each wireless network uses a specific channel, or frequency, to send and receive information.
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