What is the Geo-Fencing feature in Phone Tracker Apps?
什麼是手機追蹤應用程序中的地理圍欄功能？
Geo-Fencing is a service on the basis of location. In Geo-Fencing applications, make use of the like RFID or GPS. It triggers an already programmed action whenever an RFID or mobile device tag exits or enters the virtual boundary set up around a geofence.
地理圍欄是一種基於位置的服務。在地理圍欄應用中，利用類似RFID或GPS的技術。每當RFID或移動設備標籤離開或進入圍繞地理圍欄設置的虛擬邊界時，它就會觸發已經編程的行動。