What Is Wi-Fi? Is It the Same as IEEE 802.11?

Wi-Fi is a registered trademark of the Wi-Fi Alliance. Wi-Fi is a brand, in a way, that represents a certification program, and is the associated logo that represents that brand. End users can have confidence that any two products that display the Wi-Fi logo will interoperate. The moniker “Wi-Fi” is to IEEE 802.11 as “Ethernet” is to IEEE 802.3, although Ethernet never really had an industry consortium that was testing and certifying standards compliance, then conferring a logo on devices. Wi-Fi stands for “wireless fidelity,” and is a user-friendly name that has been created to refer to a common type of WLAN products.

The Wi-Fi Alliance is a nonprofit organization that certifies the interoperability ...

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