May 2013
I work at a counseling center where it's best to limit phone calls for the mental well-being of the residents. Is there any way to detect a cell phone in the building, either by an available device or a homebrewed circuit? Is there a way to find a hidden or lost cell phone? Is there a way to log cell phone presence, signal usage, and strength? Just show whether there was a signal, the time, and the strength (how close).
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