Linked from
The 22 pages that link to Wi-Fi, each with the reason it gives.
Radio spectrumRelated: Wi-Fi operates in unlicensed radio bands shared with other devices.
Local area networkRelated: Wi-Fi provides wireless access to a LAN without Ethernet cables.
MicrowaveRelated: Common Wi-Fi bands at 2.4, 5, and 6 GHz lie within the microwave range.
Smart TVRelated: It commonly links a smart TV to a home network without an Ethernet cable.