Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor.

The most common wireless technologies use electromagnetic wireless telecommunications, such as radio. With radio waves distances can be short, such as a few metres for television remote control, or as far as thousands or even millions of kilometres for deep-space radio communications. It encompasses various types of fixed, mobile, and portable applications, including two-way radios, cellular telephones, personal digital assistants (PDAs), and wireless networking. Other examples of applications of radio wireless technology include GPS units, garage door openers, wireless computer mice, keyboards and headsets, headphones, radio receivers, satellite television, broadcast television and cordless telephones.

Less common methods of achieving wireless communications include the use of light, sound, magnetic, or electric fields.

Read more about WirelessIntroduction, Wireless Services, Wireless Networks, Modes, Cordless, Electromagnetic Spectrum, Categories of Wireless Implementations, Devices and Standards

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