Wi-Fi was called some weird names like FlankSpeed
Before called WiFi, they named it WaveLAN, FlankSpeed, DragonFly, WECA and IEEE 802.11b Direct Sequence. Interrbrand invented the term “Wi-Fi” as a play on words of the term “Hi-Fi” or “High Fidelity”.
Each Country have each WiFi Regulatory Domain
Since the WiFi technologies are work on radio frequency, each Country had different regulation for WiFi and it may affect maximum speed of the WiFi access.
There is WiFi on a Airplane Flight