wireless network

                     Wireless  Network

         In a wireless connection, you use hardware in your computer to communication, with  the router without that cable. in a wireless network communication, electromagnetic wave is transmitted without any physical conductor. the 

signals are through airwaves, radio waves or microwaves. 

Following are the different media through which signals can be transmitted.

*RADIO WAVES : Electromagnetic waves ranging in frequencies between 3 KHz and 1 GHz are called radio waves. they can travel long distances and hence they are used for long distance broadcasting.radio waves are used in AM and FM 

radio, television and cordless phone.

*MICROWAVES: Electromagnetic waves with frequency between 1 and 300 GHz are called microwaves. microwaves are very useful in cellular phones, satellite networks and wireless LAN

*INFRARED WAVES: infrared waves, with frequencies from 300GHz-400THz can be used to