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  2. Two-way radio - Wikipedia

    en.wikipedia.org/wiki/Two-way_radio

    A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves ), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver, which only receives transmissions. Two-way radios usually use a half-duplex communication channel ...

  3. Duplex (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(telecommunications)

    In a half-duplex or semiduplex system, both parties can communicate with each other, but not simultaneously; the communication is one direction at a time. An example of a half-duplex device is a walkie-talkie, a two-way radio that has a push-to-talk button. When the local user wants to speak to the remote person, they push this button, which ...

  4. Walkie-talkie - Wikipedia

    en.wikipedia.org/wiki/Walkie-talkie

    A walkie-talkie, more formally known as a handheld transceiver ( HT ), is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola. First used for infantry, similar designs were ...

  5. PTT ID - Wikipedia

    en.wikipedia.org/wiki/PTT_ID

    PTT ID. PTT ID, or Push-To-Talk ID, is a generic term for an automatic number identification (ANI) -like system used in two-way radio systems. It provides identification of the transmitting radio over the air, and is commonly used in selective calling /signaling systems, usually in commercial and public safety radio systems. PTT ID features are ...

  6. Talkie Walkie - Wikipedia

    en.wikipedia.org/wiki/Talkie_Walkie

    Talkie Walkie is the third studio album by French electronic music duo Air, released on 26 January 2004 by Virgin Records. "Alone in Kyoto" was included on the soundtrack to the 2003 film Lost in Translation, and "Run" was used in both the Veronica Mars episode "Nobody Puts Baby in a Corner" and the 2004 French film Lila Says. "Talkie-walkie ...

  7. WeChat - Wikipedia

    en.wikipedia.org/wiki/WeChat

    WeChat supports different instant messaging methods, including text messages, voice messages, walkie talkie, and stickers. Users can send previously saved or live pictures and videos, profiles of other users, coupons, lucky money packages, or current GPS locations with friends either individually or in a group chat.

  8. 20 Fenchurch Street - Wikipedia

    en.wikipedia.org/wiki/20_Fenchurch_Street

    20 Fenchurch Street is a commercial skyscraper in London that takes its name from its address on Fenchurch Street, in the historic City of London financial district. It has been nicknamed " The Walkie-Talkie " because of its distinctive shape, said to resemble a walkie-talkie handset. [ 4 ] Construction was completed in spring 2014, and the ...

  9. Shomrim (neighborhood watch group) - Wikipedia

    en.wikipedia.org/wiki/Shomrim_(neighborhood...

    Shomrim (neighborhood watch group) Shmira ( Hebrew: שְׁמִירָה, 'protection') or Shomrim ( Hebrew: שׁוֹמְרִים, 'watchers', 'guards') are organizations of proactive volunteer Jewish civilian patrols which have been set up in Haredi communities in neighborhoods across the United States, Canada, [1] the United Kingdom, Israel ...