No, that's misunderstanding how wi-fi works. Wi-fi is a signal broadcast from a wireless hotspot, which only have a limited range. To be able to use that hotspot, you have to be within that range,...
It is a wireless way to access the internet. No cables, no hassle, and mobility is involved, so Wi-Fi is used.
To go internet using a broadband. It needs no wire attach.
You need a wireless network then read throught the manual and it should tell you what to do.
You use wifi for Gts (global trade station) Battle ppl who are faraway. You have to have a wireless router to get wifi though.