PTT button

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• Push to talk — (PTT), also known as Press to Transmit , is a method of conversing on half duplex communication lines, including two way radio, using a momentary button to switch from voice reception mode to transmit mode.Conventional two way radiosFor… …   Wikipedia

• Quindar tones — Quindar Tones, most often referred to as the beeps that were heard during the Apollo Moon missions, were a means by which remote transmitters on Earth were turned on and off so that the Capsule communicator (CapCom) could communicate with the… …   Wikipedia

• Selcall — Listen filename=CCIR 04221.ogg title=SelCall description=Example of a CCIR format call. format=Ogg: For the similarly named system used in aviation, see SELCAL. Selcall (selective calling) is a type of squelch protocol used in radio… …   Wikipedia

• Walkie-talkie — A walkie talkie (more formally known as a handheld transceiver) is a hand held, portable, two way radio transceiver. Originally developed for the Canadian government during the Second World War by Canadian Donald L. Hings, similar designs were… …   Wikipedia

• Motorola Trunked Radio — Types Type I Type II Type IIi Hybrid Type II SmartZone Type II SmartZone OmniLink Type II VOC Motorola Type I and Type II systems achieve the same thing in a slightly different way. One important distinction between these systems is the amount of …   Wikipedia

• MDC-1200 — Listen filename=Trucking w leading PTT ID using MDC1200.ogg title=MDC 1200 sounds description=leading push to talk ID with data muting. format=OggListen filename=TRucking leading PTT ID MDC1200 non Motorola recvr.ogg title=MDC 1200 sounds… …   Wikipedia

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• Olympische Winterspiele 1948 — V. Olympische Winterspiele Teilnehmende Nationen 28 Teilnehmende Athleten 669 (592 Männer, 77 Frauen) Wettbewerbe …   Deutsch Wikipedia

• Nokia 6230 — Manufacturer Nokia Compatible networks Nokia 6230 RH 12 GSM 900/1800/1900 MHz. Nokia 6230b RH 28 GSM 850/1800/1900 MHz for the North American market. Availability …   Wikipedia

• Microphone connector — Contents 1 TRS connectors 2 XLR connectors 3 Multi pin Foster circular connectors …   Wikipedia

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