Wireless Fidelity(Wi-Fi)- A Detailed Study

Wireless fidelity or Wi-Fi is emerging technology prevalent these days. With this technology, the information’s can be exchanged between two or more devices. It is exclusively designed for mobile computing devices, but can also be used in electronics like televisions, DVD players. The two possibilities of communicating with the Wi-Fi connection through  the client’s access point connection or client to client connection.

Wi-Fi is a type of wireless technology commonly referred as wireless LAN (local area network). They allow local area networks to work without cable and wiring. They remain the best choice for home and business networks. A wireless adaptor transmits the data into a radio signal which in turns transferred to antennas and for users.

Wi-Fi is high speed internet connection without the need for any cable or wires. They operate in three essential elements like radio signal, antenna and router.  The key to Wi-Fi is radio waves. The cell phones and computers are provided with Wi-Fi cards. A new creation to constituent the Wi-Fi compatibility, within the ground that is connected with community networks. Security is the important element in Wi-Fi technology. Security is a personal opinion but it is necessary to protect our private details.

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Types of WI-FI Technologies:

They are four major types of WIFI technologies we use currently.

  • Wi-Fi-802.11a
  • Wi-Fi-802.11b
  • Wi-Fi-802.11g
  • Wi-Fi-802.11n

They are defined by the format and structure of the radio signals sent out by WI-FI antennas and networking routers.

Advantages:

  • Wireless laptop are handy and can be carried anywhere.
  • Wi-Fi network communication devices can reduce the cost of wires, without wire
  • Wi-Fi setup and configuration is easy
  • It provides completely safe and does not interfere with any network
  • We can also connect internet through hot spots
  • We can connect internet wirelessly

Disadvantages:

  • Wi-Fi radiations can harm the human health
  • Whenever we are not using the server, we must disconnect the Wi-Fi connection
  • Some limitations are there to transfer the data, and cannot transfer the data for long distance
  • The implementation is quiet expensive when compared to the other.

 

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