They're still using their SmartZone system. They switched over to the SEGARRN a couple of years back but switched back over fairly quickly (I think due to coverage issues).
With one existing system approaching the end of its contract, a new two-way radio system for use by police, firefighters, emergency medical personnel, school bus drivers, road crews and other public servants in Bulloch County could cost, by one projection, $3.6 million.