Description

DTMF Module MT8870

• MT8870 module decodes DTMF signals from an audio source and it is suitable for remote monitoring applications, telephone answering machines and more
• A low power device DTMF decoder chip. It is a complete DTMF receiver integrating both the band-split filter and digital decoding functions
• On-board MT8870 frequency decoder chip
• On-board audio input interface
• On-board LED lights for output status indicator

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