DTMF decoder module met MT8870 chip

Beschrijving

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.

Specifications:
– On-board MT8870 frequency decoder chip
– On-board audio input interface
– On-board LED lights for output state indication