... management. New! GPS/GPRS/GSM vehicle dispatching and tracking device, use for real time fleet management ... 2 analog signals inputs, DC 0~12v, 10 bits of precision Or 2 digital inputs. (MUX ... to control center software with a fixed interval. And the data sending interval (by time interval, ... shock, fuel, oil, breaks, handbrakes, RPM, engine and other frequent events, control center operator can sent out ...