DTMF Decoder module based on MT8870

DTMF Decoder module based on MT8870

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

Sachidananda Pattanayak, 05/28/2017
4 of 5 Stars4 of 5 Stars
₹400.00  ₹190.00
Sale 
-53%