... real time tracking; 2. inqurire location; 3.speed inquiry 4.background managementand etc. system featureindividuation design, easy operation, steady performance, strong independence, classification management ... .software system functionsreal time tracking, inquire location, speed inquiry, reply track, background management(add, ... , kid, pet and etc.system capacitymore than 10000 vehicles.support operating systemWIN2000SERVERWIN2003SERVERWINXPWIN2000PRO ...