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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 ...
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 ...
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 ...
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 ...
A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...
Aschenbrenner is a former researcher on OpenAI’s Superalignment team who was fired for allegedly “leaking information,” although he says he was fired after raising concerns to OpenAI's board ...
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 ...
Personal radio service. A personal radio service is any system that allows individuals to operate radio transmitters and receivers for personal purposes with minimal or no special license or individual authorization. Personal radio services exist around the world and typically use light-weight walkie talkie portable radios.