WiFi

WiFi is one of the technology that allows has to exchange data wirelessly from one device to another with the help of the radio waves , first the WiFi is famous in the computer devices more probably in the modem ,later the technology has stepped to the mobile device more probably the WiFi is the trade mark of the WiFi alliance network.The WiFi enabled devices(mobiles etc..)can be easily get connected to the internet world more probably simple modem can able to transfer the waves up to 30 feet's so the WiFi can be active in the 30 feet's.