... -200 vehicles/personnel. It works with ExtremTrac vehicle trackers, personal trackers, tracking vehicle and personnel simultanuously in real time, or off ... at the same time, showing onscreen the location, speed, speeding, time, direction, vehicle ID, history route, alarm report, moving ... , shut down engine3. SYSTEM PACKAGE: - GPS/GPRS/GSM Trackers: ET700/GP3000/ET3500/MC300, etc- GSM Modem: MD200- ...