(February 2013). 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. CB radio with push-to-talk microphone switch.
Lamar is a town in Darlington County, South Carolina, United States. The population was 1,015 at the 2000 census. It is part of the Florence Metropolitan Statistical Area. Lamar is located at 34Â°10â²13â³N 80Â°3â²45â³W / 34.17028Â°N 80.0625Â°W / 34.17028; -80.0625 (34.170388, -80.062526).
Lamar County, Georgia. (Redirected from Lamar County, GA) Lamar County is a county located in the west central portion of the U.S. state of Georgia. As of the 2010 census, the population was 18,317. The county seat is Barnesville. Lamar County is included in the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area.