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.
- 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