Nothing, It's A Marketing Tool
Wireless Fidelity
"wireless fidelity" in theory but really Wi-Fi doesn't stand for anything. It is not an acronym. There is no meaning. It's apparently a pun in Hi-Fi
Wi-Fi is actually a trademark of the Wi-Fi Alliance that has certified products that belong to WLAN (wide local area network). So Wi-Fi actually certifies wireless routers
Wi-fi stands for Wireless fidelity, The term Wi-Fi was created by the Wi-Fi Alliance, which oversees testing on a product, a product that passes the alliance tests is "Wi-Fi certified"
Wireless fidelity.
Wi-Fi used to mean Wireless Fidelity, but now they never use the term.
Wi-Fi used to mean Wireless Fidelity, but now they never use the term.
Actually, the Nintendo DSI doesn't have Wi-fi . But, it does have a shop channel.
Wi - WirelessFi - Fidelity
Wireless Fidelity
Actually there is no difference between wi-fi and wireless, they're practically the same.
Wireless Internet-Fidelity Wireless