
First you have to know what is Wi-Fi and how dose it work?
"Wi-Fi" is a type of wireless networking protocol that allows devices to communicate without cords or cables.
1: Wi-fi uses antennas around which wi-fi "hotspots" are created. The
hotspots are outlets equipped to receive the radio waves that power
wireless networking. Until recently, wi-fi has been confined to more
than 10,000 hot-spots in cafes, bars and......