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Telephone Decoding for Raspberry PI Arduino MT8870 DTMF Voice Decoder Module, 1Pc x receiver module, Onboard five LED indicators for easy viewing output state,Onboard complex frequency decoder chip MT8870, Voice input interface board, 1Pc x 433Mhz RF Wireless transmitter module.Decoder Module Telephone Decoding for. If you are from Nashik you can buy all types of Electronic Components from our shop at Thakker Bazzar, New CBS, Nashik. MT8870 DTMF Voice Decoder Module Telephone Decoding for Raspberry PI Arduino. GST bill will be provided in the name of DNA Solutions (GST No: 27BGPPS9522M1ZF) or ElectroSource Private Limited (GST No: 27AAFCE7605R1Z).ĭNA Solutions is an Online shop for Electronic Components located in Nashik, Maharashtra and delivering Electronic Components all across India. We provide GST Tax Bill for claiming Tax Input Credit. If you are in Nashik you can buy this Electronic Component at our local shop at New CBS, Nashik or you can place order online and get it delivered at your doorstep anywhere in India. Check out our complete collection of Modules After it received the DTMF signal, it will divide the signal into high-frequency group and low-frequency group and send the signal to the digital decoder which can figure out the key value then. After it received the DTMF signal, it will divide the signal into high frequency group and low frequency group and send the signal to the digital decoder which can figure out the key value then send it to the outside Bus via four lines( Q1, Q2, Q3, Q4) as the binary form. The MT8870 Tone Decoder is a kind of commonly used multi-frequency decode IC product developed by the MITEL company. The MT8870 Tone Decoder is a kind of common used multi-frequency decode IC product developed by the MITEL company. It is a complete DTMF receiver integrating both the band-split filter and digital decoding functions.The MT8870 module decodes DTMF signals from an audio source and it is suitable for modem interfaces, mobile radios and other DTMF related applications, remote monitoring applications, telephone answering machines and more. MT8870 DTMF Decoder Module The MT8870 module is a low power device DTMF decoder chip.