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  2. Frequency-hopping spread spectrum - Wikipedia

    en.wikipedia.org/wiki/Frequency-hopping_spread...

    Frequency-hopping spread spectrum ( FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying a large spectral band. The changes are controlled by a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code ...

  3. Hackers on Planet Earth - Wikipedia

    en.wikipedia.org/wiki/Hackers_on_Planet_Earth

    t. e. The Hackers on Planet Earth ( HOPE) conference series is a hacker convention sponsored by the security hacker magazine 2600: The Hacker Quarterly that until 2020 was typically held at Hotel Pennsylvania, in Manhattan, New York City. [1] Usually occurring biennially in the summer, there have been fourteen conferences to date.

  4. Cellular frequencies in the United States - Wikipedia

    en.wikipedia.org/wiki/Cellular_frequencies_in...

    There are 51 MTAs, 493 BTAs and 175 EAs in the United States. The Advanced Wireless Services (AWS) bands, auctioned in the summer of 2006, were for 1,710–1,755 MHz, and 2,110–2,155 MHz. The spectrum was divided into blocks: A blocks were for Cellular Market Areas, based on existing cellular (1G) licenses, and were 2 × 10 MHz.

  5. Wireless - Wikipedia

    en.wikipedia.org/wiki/Wireless

    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.

  6. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  7. The best wireless headphones for seniors - AOL

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

    Sony WH-CH720N Noise-Cancelling Wireless Headphones. Best Sony XM5 headphones alternative. $98 at Adorama. Earbuds are easily lost, too, but just try misplacing a full-size headphone. Below I've ...

  8. Antenna (radio) - Wikipedia

    en.wikipedia.org/wiki/Antenna_(radio)

    In the summer of 1895, Marconi began testing his wireless system outdoors on his father's estate near Bologna and soon began to experiment with long wire "aerials" suspended from a pole. [5] In Italian a tent pole is known as l'antenna centrale , and the pole with the wire was simply called l'antenna .

  9. Hop (networking) - Wikipedia

    en.wikipedia.org/wiki/Hop_(networking)

    Hop (networking) An illustration of hops in a wired network (assuming a 0-origin hop count [ 1] ). The hop count between the computers in this case is 2. In wired computer networking a hop occurs when a packet is passed from one network segment to the next. Data packets pass through routers as they travel between source and destination.

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