April 2004
Beginner
312 pages
8h 23m
English
Content preview from Absolute Beginner's Guide to Wi-Fi® Wireless NetworkingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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F
- FCC
Federal Communications Commission. See www.fcc.gov for more information.
- firewall
A firewall is a blocking mechanism—either hardware, software, or both—that blocks intruders from accessing a network or individual computer.
- free radio spectrum
Bands of the radio spectrum, such as 2.4GHz and 5GHz, that do not require a license from the FCC. Wi-Fi uses these bands for its transmissions, as do other household appliances such as cordless phones and microwaves.
- frequency
The oscillations, or movement from peak to trough, of the electromagnetic wave created by a radio transmission.
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