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MT8870 DTMF Voice Decoding Module Phone Module
Description:
1. Onboard MT8870 frequency decoder chip.
2. Onboard voice input interface.
3. Onboard five LED light, convenient to check the output state.
4. The main pin has led out .
5. PCB size: 26.5 mm x 24.5 mm
Package included:
- 2 X MT8870 DTMF Voice Decoding Module