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![DTMF Decoder - MT8870 [1218] : Sunrom Electronics/Technologies](https://i2.wp.com/www.sunrom.com/media/content/229/dtmf-decoder.gif)
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![MT-8870 DTMF Decoder Configuration [4] The MT-8870 is a DTMF Receiver](https://i2.wp.com/www.researchgate.net/profile/Raj_Hakani/publication/273075698/figure/fig3/AS:391834829377540@1470432111227/MT-8870-DTMF-Decoder-Configuration-4-The-MT-8870-is-a-DTMF-Receiver-that-integrates.png)

