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Amazon.com: Dual Tone Multi-Frequency decoding Encoder DTMF Audio Generator Receive 30 Serial Data at a time : Industrial & Scientific
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Andoer DTMF Module 5-24VDC Audio Generator Module Voice Dual Encoder Transmitters Board Keyboard for MT8870CE004CE005CE023AD22B04AD22A08 - Walmart.com
![shows the list of the components used for the DTMF decoder circuit.List... | Download Scientific Diagram shows the list of the components used for the DTMF decoder circuit.List... | Download Scientific Diagram](https://www.researchgate.net/publication/350449234/figure/tbl1/AS:1006271935295489@1616925333567/shows-the-list-of-the-components-used-for-the-DTMF-decoder-circuitList-of-components.png)
shows the list of the components used for the DTMF decoder circuit.List... | Download Scientific Diagram
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