About the product
- PCB design, VCC pin and GND pin are in the opposite position, please be caution! The VCC pin should be the GND pin , and the GND pin should be the VCC pin.
- PCB size: 26.5 (mm) x24.5 (mm)
- on board complex frequency decoder chip MT8870
- Package Included: 2 x MT8870 DTMF Voice Decoder Module Telephone/ audio Decoder Speech decoding module
- If You Are Not Satisfied with Your Purchase for Any Reason, Please Feel Free To Contact Us at the Buyer Center or Support Email, 24/7 Quick Reply
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