In a general sense, Wi-Fi refers to the wireless LAN technologies that utilize the IEEE 802.11 standards for communications. Wi-Fi products use radio waves to transmit data from a client device to either an access point, which includes a router, and the router completes a connection to other devices on the LAN, WAN or the internet.

Initially the technology used the 2.4 GHz frequency, but has since expanded to 5 GHz, 60 GHz, and soon 6 GHz frequency bands. (A competing standard, known as HomeRF, also supported wireless connections, but vendors and customers eventually chose Wi-Fi and the 802.11 …


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