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Old 2nd Oct 2019, 10:41 pm   #1
Johnbarn
Tetrode
 
Join Date: Feb 2015
Location: Belfast, Northern Ireland, UK.
Posts: 79
Default Mobile phone interruptor

Does anyone have an oscillator circuit that can prevent people using their mobile phones on the seat opposite me in a train? A short range device would be fine. Or is this a forbidden concept?
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