Push-to-talk
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Push-to-talk, also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice
CB radio with push-to-talk microphone switch
5W Radio PTT Switch
Walkie-talkie
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A walkie-talkie, more formally known as a handheld transceiver or handheld radio, is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously cr
Push-to-talk
…identify the speaker. Push-to-talk over cellular (PTToC) is a service option for a cellular phone network that enables subscribers to use their phones as walkie-talkies with unlimited range. A typical push-to-talk connection connects almost instantly. A significant advantage of PTT is the ability for a single person…
Recreational, toy and amateur radio walkie-talkies
Assorted two-way Family Radio Service (FRS) and General Mobile Radio Service (GMRS) walkie talkies with hand mic
Noemfoor, Dutch New Guinea, July 1944. A US soldier (foreground) uses a Handie-Talkie during the Battle of Noemfoor.
A modern Project 25 capable professional walkie-talkie