DTMF MT8870 Audio Decoder Module - DTMF Tone Decoder 7805 1Mbps (Max) / 160 kbps

1Mbps (Max) / 160 kbps

8g Pinout & usage notes

1" Vin 3 to 5

Visit our Automatic Vehicle Identification Guide to find out more information about long-range solutions

SMD components

DTMF MT8870 Audio Decoder Module - DTMF Tone Decoder 7805 1Mbps (Max) / 160 kbpsDTMF (Dual Tone Multi Frequency) is a telecommunications signaling method that uses a combination of two sinusoidal frequencies to generate a dial tone. The MT8870 module is a DTMF receiver that decodes the key pressed on a telephone keypad using a band split filter. A band split filter, as the name implies, splits the consolidated frequencies to identify them. The MT8870 module then converts the DTMF signal into 4 bit digital representing all 16