This is a module wih 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
- PCB Size: 26.5 x 24.5 mm
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Onboard 5 LED indicators for easy viewing output state
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DC Power Supply Voltage:5V(4.5V-5.5V)
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Operating Temperature : -40 to +85 °C
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IO Drive : Current Maximum 10mA.