Tag is MT8870 DTMF decoder module
Voice & Audio Module MT8870 DTMF decoder module telephone voice module
MT8870 DTMF decoder module telephone voice module
Description:
1. onboard tone decoder chip MT8870
2, voice input interface board
3, onboard five LED indicators for easy viewing output state
4, the chip have been drawn mainly basic pin
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MT8870 DTMF decoder module