Source: /cirosantilli/wi-fi

= Wi-Fi
{c}
{title2=2-6 GHz, 1997}
{wiki}

= Wifi
{c}
{synonym}

The frequency range of Wi-Fi, which falls in the <microwave> range, is likely chosen to allow faster data transfer than say, <FM broadcasting>, while still being relatively <transparent> to walls (though not as much).