Voice Decoding MT8870 DTMF Module


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On-board MT8870 frequency decoder chip
On-board audio input interface
On-board LED lights for output state indication
PCB Size: 26.5 x 24.5 mm

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The MT8870 module is a low power device DTMF decoder chip. It is a complete DTMF receiver integrating both the band-split filter and digital decoding functions. This module is suitable for modem interfaces, mobile radios and other DTMF related applications.

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