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HOW WIFI WORKS?

WHAT IS WIFI:-

It may happen that now you are connected to a wifi router and surfing the internet through that.But did you know how the data is displaying in your computer or phone's display? when your device is not connected with any of physical connecting wire.
The wifi is basically an electromagnetic radiation, just like the microwave, visible light or the gamma rays but the only difference is the use, the frequency and wives length of that radiation.
Wifi signals basically use the two bands 2.4 or 5 GHz. And it basically transmits the data in the form of 0 and 1. The wifi signal uses the same concept of a radio F.M but this communication is two way.

HOW IT REALLY WORKS:-

The wifi networks basically break the data in small encrypted packets and send back and forward between your router and portable device. The packets also have the address of the destination node and the decryption key. And after the data is received by your device through wifi network, your device has decrypted the data and arranged the packets. This work is done under the TCP/IP protocol.

MORE ABOUT WIFI:-

  1. WIFI IS DEVELOPED BY WIFI ALLIANCE.
  2. IT IS LAUNCHED IN SEPTEMBER 1998.
  3. THIS TECHNOLOGY IS BASED ON IEEE_802.11 STANDARD DEVICES. 
  4. Wi-Fi most commonly uses the 2.4 gigahertz (12 cm) UHF

     and 5.8 gigahertz (5 cm) SHF ISM radio bands.



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