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WAN
Wide Area Network (WAN). A computer network covering a broad geographical area. WANs are used to
connect local area networks (LANs) together, so that users and computers in one location can
communicate with users and computers in other locations.
Wi-Fi
Wi-Fi (Wireless Fidelity) refers to any system that uses the 802.11 standard, which was developed by the
Institute of Electrical and Electronics Engineers (IEEE) and released in 1997.
WWAN
Wireless Wide Area Network (WWAN). Also called "wireless broadband" or "broadband wireless,"
wireless WANs (WWANs) use cellular towers to transmit a wireless signal over a range of several miles to
a mobile device compared to wireless Wi-Fi LANs (WLANs), which span only a few hundred feet and
generally to only stationary devices.