[IMAGE: https://img.esteem.ws/8vfdu677ai.jpg]

Wireless is a powerful means of communication without its own. It transmits data using electromagnetic waves . At the end of the nineteenth century scientists of many countries were discovered almost radio at the same time, but Guliamlomo Marconi was regarded as a radio detector. Although previously used on radio only, the use of wireless technology is now everywhere. Wireless is the basic principle of any communication, including radio (radio), television ( television ), mobile phone , etc. Wireless telescopes or radio telescopes are used for observation of aerospace using radio waves.