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DTMF Decoder module based on MT8870
[RKI-2569]


₹400  ₹190
Save: 53% off

I want to interface and detect button press of EPABX line after picking of cradle.
Is this PCB is suitable for this .
Its connection diagram is available with this PCB?
S Pattnayak
9911211514
Date Added: 05/28/2017 by Sachidananda Pattanayak



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