Chapter 9. How Wireless Connections and WiFI Work
The wired world created a revolution of allowing people to connect to the Internet. Now the unwired world—the ability to connect to the Internet wirelessly—is bringing just as big a change.
The most popular way of connecting to the Internet wirelessly is via a family of technologies called 802.11 or WiFi. There are several different standards for 802.11, and they connect at different speeds, including 802.11b standard, which operates in the 2.4GHz spectrum and transfers data at a maximum rate of 11Mbps; the 802.11a standard, which operates in the 5GHz spectrum at 54Mbps; and the 802.11g ...
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