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Push-to-talk (PTT), 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 reception mode to transmit mode.
A PoC radio (short for push to talk over cellular radio [2]), also known as PTToC radio, [3] is an instant communication device that is based on the cellular network. [4] It is a radio device that incorporates push-to-talk technology into a cellular radio handset. [5]
Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. 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 ...
Sprint Direct Connect Now, based on Qualcomm Inc.'s proven push-to-talk technology platform, effectively extends Sprint's growing push-to-talk franchise - with more than 1 million Sprint Direct ...
Many MDC-1200 systems utilize the unit ID option. With each push-to-talk press, the radio sends a data burst identifying the sending radio. Unit IDs are decoded as unique hexadecimal four-digit numbers. Every radio would have a unique four-digit ID, (for example: 0423 or 5990). Unit ID can be sent as leading or trailing a voice message.
From the system point of view, it is essentially VoIP with push-to-talk. To the user it can be implemented like any other radio network. With RoIP, at least one node of a network is a radio (or a radio with an IP interface device) connected via IP to other nodes in the radio network.
Multiple walkie-talkies use a single radio channel, and only one radio on the channel can transmit at a time, although any number can listen. The transceiver is normally in receive mode; when the user wants to talk they must press a "push-to-talk" (PTT) button that turns off the receiver and turns on the transmitter. Some units have additional ...
Known as "The Push Up Guy" on both Instagram and TikTok, Kevin Cullum first began tracking his push-ups in 2015, telling Good Morning America he started when he heard a coworker talk about their ...
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