What does a geofence do?

Geofencing is a location-based service in which an app or other software uses GPS, RFID, Wi-Fi or cellular data to trigger a pre-programmed action when a mobile device or RFID tag enters or exits a virtual boundary set up around a geographical location , known as a geofence.

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What is geofence on my phone?

Geofencing combines awareness of the user’s current location with awareness of the user’s proximity to locations that may be of interest . To mark a location of interest, you specify its latitude and longitude. To adjust the proximity for the location, you add a radius.

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