The XD61 MT8870 DTMF Decoder Module is an electronic component used for decoding Dual-Tone Multi-Frequency (DTMF) signals. XD-61 MT8870 DTMF Module Decodes DTMF signals from an audio source and it is suitable for remote monitoring applications, telephone answering machines and more. The IC 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.
Specification:

• On-board MT8870 frequency decoder chip.
• Type: MT 8870 DTMF Tone Decoding Module
• Size: 26.5 mm x 24.5 mm
• Basic chips have been the main pin leads
• MT8870 Frequency Decoder Chip

Packages Include:

• 1 x XD61 MT8870 DTMF Decoder Module