10pcs MT8870 DTMF Voice Decoding Module Speech Audio Decoder Voice Board

Feature:

1. Onboard MT8870 complex frequency decoding chip 2. Onboard voice input interface 3. Onboard 5 LED indicator, easy to view the output status 4. The basic chip has been the main pin leads 5. PCB size: 26.5 (mm) x 24.5 (mm)

Package includes:

10 x Voice Module