Terms and Acronyms
Installation and User’s Manual for Wi-Fi Module 21
Software Computer programs that perform specific tasks on a computer-based system.
Software is loaded onto the system and (with certain limitations) can be removed,
upgraded, changed, or modified to suit user needs and preferences.
Wi-Fi Channel A given radio frequency spectrum is divided into channels; each centered on a
target frequency. The minimum or maximum frequency range occupied by a given
channel, such as Wi-Fi, depends upon the frequency width (usually 20Mhz or
40Mhz). Channels One (1), Six (6), or Eleven (11) are recommended for Wi-Fi
networks to avoid signal interference caused by channel overlap.
Wireless Fidelity
(Wi-Fi®)
A type of wireless network technology used for connecting to the Internet. Wi-Fi
network frequencies are located at 2.4Ghz or 5Ghz. These frequencies prevent
transmission interference with cellphones, broadcast radio, TV antennas, or two-
way radios.
Wired Equivalent
Privacy (WEP)
An optional authentication and/or encryption mechanism defined in the IEEE
802.11 standard designed to prevent casual network eavesdropping. WEP is
considered a weak and compromised legacy form of wireless security.
Term / Acronym Description
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