Radio frequency waves are part of the electromagnetic spectrum. Usage of radio frequency waves is strictly regulated by laws. We have all heard about telecom operators bidding for various spectrums. They are actually entering into an agreement with the governments around the world that they be allocated a particular band in the electromagnetic spectrum surrounding the earth. The governments in turn decide who will be allowed to use which band in the electromagnetic spectrum. Post allocation, a telecom operator can exclusively use the allocated band for their telecommunication operations. The same applies to radio station channels airing on particular radio frequencies.

There are various types of radio frequency waves depending upon their frequencies between the ranges of 3 KHz to 300 GHz. There is a special radio frequency that has been set aside...