Geofencing is an advanced application of mobile with GPS that creates a virtual perimeter around a real-world geographic area. When a device with GPS enters or exits this predefined boundary, it triggers a pre-programmed action. This technology has a wide range of applications, from marketing to security. A retail store can set up a geofence around its location to automatically send a... https://mobileattendance.com.sg/mobile-with-gps/