A Wide Area Network is a telecommunication network with a large geographic coverage, using several technologies across cities, states or countries. This is contrasted with LocalArea Network are limited to a building or offices.
Radio systems are commonly used in a WAN/MAN networks, whether on a point-to-point mode, or as a Point to Multipoint. Wireless WAN technologies can include cellular data networks like 4G LTE, as well as public Wi-Fi or satellite networks.
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