wireless

Wireless
From Wikipedia, the free encyclopedia
For other uses, see Wireless (disambiguation).
A handheld marine radio.

Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications. It encompasses various types of fixed, mobile, and portable two-way radios, cellular telephones, personal digital assistants (PDAs), and wireless networking. Other examples of wireless technology include GPS units, Garage door openers or garage doors, wireless computer mice, keyboards and Headset (telephone/computer), headphones, radio receivers, satellite television, broadcast television and cordless telephones.

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