Global Positioning System (GPS) technology is used by a GPS tracking system to locate and track people, cars, assets, or equipment in real time. Usually, the system consists of: GPS tracking devices use satellite signals to determine their precise location (longitude and latitude). communication modules that transmit the location information to an online portal via mobile networks. ... https://mobileattendance.com.sg/tuition-centre-student-entry-and-exit-gps-tracking-system/