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  2. RCA - Wikipedia

    en.wikipedia.org/wiki/RCA

    RCA originated as a reorganization of the Marconi Wireless Telegraph Company of America (commonly called "American Marconi"). In 1897, the Wireless Telegraph and Signal Company, Limited, was founded in London to promote the radio (then known as "wireless telegraphy") inventions of Guglielmo Marconi.

  3. Orthogonal frequency-division multiplexing - Wikipedia

    en.wikipedia.org/wiki/Orthogonal_frequency...

    American wireless carrier Nextel Communications field tested wireless broadband network technologies including Flash-OFDM in 2005. [53] Sprint purchased the carrier in 2006 and decided to deploy the mobile version of WiMAX , which is based on Scalable Orthogonal Frequency-Division Multiple Access (SOFDMA) technology.

  4. Phonograph - Wikipedia

    en.wikipedia.org/wiki/Phonograph

    Illustration of a typical modern turntable: here showing the curved tonearm with a headshell at the end, under which lies the magnetic cartridge and its attached stylus touching down on the grooves of a black record placed on the turntable's platter

  5. 5G - Wikipedia

    en.wikipedia.org/wiki/5G

    5G wireless power is a technology based on 5G standards that transfers wireless power. [ 104 ] [ 105 ] It adheres to technical standards set by the 3rd Generation Partnership Project , the International Telecommunication Union , and the Institute of Electrical and Electronics Engineers .

  6. Automated manual transmission - Wikipedia

    en.wikipedia.org/wiki/Automated_manual_transmission

    Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...

  7. Walkie-talkie - Wikipedia

    en.wikipedia.org/wiki/Walkie-talkie

    Recreational, toy and amateur radio walkie-talkies Assorted two-way FRS and GMRS walkie talkies with hand mic. A walkie-talkie, more formally known as a handheld transceiver (HT), is a hand-held, portable, two-way radio transceiver.

  8. Output device - Wikipedia

    en.wikipedia.org/wiki/Output_device

    Examples include monitors, printers, speakers, headphones, projectors, GPS devices, optical mark readers, and braille readers. In an industrial setting, output devices also include "printers" for paper tape and punched cards, especially where the tape or cards are subsequently used to control industrial equipment, such as an industrial loom ...

  9. The Anarchist Cookbook - Wikipedia

    en.wikipedia.org/wiki/The_Anarchist_Cookbook

    The Anarchist Cookbook, first published in January 1971, is a book containing instructions for the manufacture of explosives, rudimentary telecommunications phreaking devices, and related weapons, as well as instructions for the home manufacture of illicit drugs, including LSD.