What is a Wi-Fi router?


Quick Answer

A Wi-Fi router is networking hardware that wirelessly connects computers on local area networks (LAN) and wide area networks (WAN) to the Internet or other networks. These physical network communication devices maintain configuration information in a routing table that filters both incoming and outgoing traffic to users specifications.

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Full Answer

Wi-Fi routers are used with home networks to allow multiple computers and other Internet-ready devices to connect to the Internet without the need for cables. When used with business networks, Wi-Fi routers serve as gateway devices that distribute Internet and Intranet connectivity throughout an office, allowing employees to share files, printers and other peripheral devices, such as external storage systems.

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