A technical discussion group related to the Association of Public Safety Communications Officials' (APCO) and the Telecommunications Industry Association's (TIA) "Project 25" technical standards for narrow-band 12.5 KHz Phase I, and 6.25 KHz Phase II radio communications technology. Participants would typically be in the private or public-sector land-mobile radio communications trade See also, the Project25 interest group site,
located at: project25.org