page_title: Push-to-talk
hierarchical_section_title: Push-to-talk
caption_attribution_description: English: Cobra 18 WX ST II mobile Citizens' band radio, with a toggle to receive NOAA Weather Radio All Hazards, scanning the CB band, and a toggle for Channels 9 and 19. It shares physical dimensions with a single DIN dash mount and includes a front-firing speaker. Shown with included microphone.
context_page_description: 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 reception mode to transmit mode.
context_section_description: 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.
caption: CB radio with push-to-talk microphone switch
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