Since the devices utilize both cellular technology as well as GPS technology, there are certain instances where the device is out of cellular coverage, thus requiring to “store and forward” its locations until cellular communications are reacquired. Once reacquired, all stored data is transferred automatically. In regards to the limitations of GPS technology, if the line of sight to the GPS mounted antenna is obstructed, GPS communications can be lost. It is important that antenna installation is done properly to avoid complications.
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