Wireless is a powerful means of communication without it. It transmits or receives information using electromagnetic waves. Although scientists in many countries discovered radio at about the same time in the late nineteenth century, Guilelmo Marconi is considered to be the inventor of the radio. Previously used only for radio but now wireless technology is being used everywhere. Radio is the basic principle of any wireless communication including radio (radio) , television (television) , mobile phone , etc. A radio telescope or radio telescope used to observe space using radio waves