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2. Ray J - Wikipedia

   en.wikipedia.org/wiki/Ray_J

   William Ray Norwood Jr. (born January 17, 1981), [1] known professionally as Ray J, is an American R&B singer, songwriter, television personality, and actor. Born in McComb, Mississippi, and raised in Carson, California, he is the younger brother of singer and actress Brandy Norwood. [3] In January 2017, he competed in the nineteenth season of ...

3. True wireless - Wikipedia

   en.wikipedia.org/wiki/True_wireless

   True wireless may refer to: The True Wireless, a 1919 article by Nikola Tesla; see World Wireless System. Wireless wide area network. True wireless headphones. Category: Disambiguation pages.

4. Wireless - Wikipedia

   en.wikipedia.org/wiki/Wireless

   Characteristics. Techniques. v. t. e. Wireless communication (or just wireless, when the context allows) is the transfer of information ( telecommunication) between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most common wireless technologies use radio waves.

5. Radio spectrum - Wikipedia

   en.wikipedia.org/wiki/Radio_spectrum

   The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz ). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. To prevent interference between different users, the generation and transmission of radio ...

6. AOL

   login.aol.com

   AOL is a leading online service provider that offers free email, news, entertainment, and more. With AOL, you can access your email from any device, customize your inbox, and enjoy a secure and reliable email experience. Sign in to AOL today and discover the benefits of AOL Mail.

7. Optical wireless communications - Wikipedia

   en.wikipedia.org/wiki/Optical_Wireless...

   Optical wireless communication (OWC) refers to transmission in unguided propagation media through the use of optical carriers: visible, infrared (IR), and ultraviolet (UV) radiation. Signalling through beacon fires, smoke, ship flags and semaphore telegraph can be considered the historical forms of OWC. [3]