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  2. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    In November 2017, Ray J co-founded a direct-to-consumer electronics brand called Raycon. Raycon sells wireless audio products such as earbuds and headphones . [34] Ray J oversees brand and strategy.

  3. AirPods - Wikipedia

    en.wikipedia.org/wiki/AirPods

    AirPods are wireless Bluetooth earbuds designed by Apple. They were first announced on September 7, 2016, alongside the iPhone 7. Within two years, they became Apple's most popular accessory. AirPods are Apple's entry-level wireless headphones, sold alongside the AirPods Pro and AirPods Max.

  4. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise-cancelling headphones often combine sound isolation with ANC to maximize the sound reduction across the frequency spectrum. Noise cancellation can also be used without sound isolation to make wanted sounds (such as voices) easier to hear.

  5. The best wireless headphones for seniors - AOL

    www.aol.com/lifestyle/best-wireless-headphones...

    Earbuds are easily lost, too, but just try misplacing a full-size headphone. Below I've rounded up the best headphones for different kinds of users: audiophiles, budget shoppers, TV watchers and...

  6. Forget the nurse call button. Patients now stay connected by ...

    www.aol.com/finance/forget-nurse-call-button...

    The hospital has placed small cameras and microphones inside all patient rooms enabling nurses outside to communicate with patients and perform tasks such as helping with patient admissions and ...

  7. Optical wireless communications - Wikipedia

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

    Optical wireless communications (OWC) is a form of optical communication in which unguided visible, infrared (IR), or ultraviolet (UV) light is used to carry a signal. It is generally used in short-range communication.

  8. Wireless telegraphy - Wikipedia

    en.wikipedia.org/wiki/Wireless_telegraphy

    Wireless telegraphy or radiotelegraphy, commonly called CW ( continuous wave ), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by the International Telecommunication Union as emission type A1A or A2A, is a radio communication method.

  9. Raycom Media - Wikipedia

    en.wikipedia.org/wiki/Raycom_Media

    Raycom Media, Inc. was an American television broadcasting company based in Montgomery, Alabama. Raycom owned and/or provided services for 65 television stations and two radio stations across 44 markets in 20 states. Raycom, through its Community Newspaper Holdings subsidiary, also owned multiple newspapers in small and medium-sized markets ...

  10. Wireless Internet service provider - Wikipedia

    en.wikipedia.org/wiki/Wireless_Internet_service...

    A wireless Internet service provider (WISP) is an Internet service provider with a network based on wireless networking. Technology may include commonplace Wi-Fi wireless mesh networking , or proprietary equipment designed to operate over open 900 MHz , 2.4 GHz , 4.9, 5, 24, and 60 GHz bands or licensed frequencies in the UHF band (including ...

  11. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    Radio bands. 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.