MT8870 DTMF Module

MT8870 DTMF Module

MT8870 DTMF Module can be used in compatible electronic projects. Check the specifications below when selecting the part for your circuit.

Technical Specifications

Features and Details

• Main Chip: MT8870DS
• Working voltage: 5V
• Power Consumption: 500mW (MAX)
• Type: MT 8870 DTMF Tone Decoding Module
• Operating Temperature: -40-+85 °C
• Board Colour: Blue
• Dimension (LxWxH)mm: 27 x 25 x 10
• Weight: 5g
• Onboard voice input interface
• Onboard LED, it is very convenient to check the output state.
• Onboard 3.5mm input interface
• 5 Channel interface
• On-board MT8870 frequency decoder chip
• Onboard audio input interface
• Onboard LED lights for output state indication Complete DTMF Receiver.
• Does not require external circuits or wiring, it can be inserted directly into the UNO/MEGA2560/DUE board to use.
• 12-Digital outputs decode mobile and fixed telephone keys (0-9, * #). Also, another 4 Digital output(ABCD) can use “DTMF Dial” for Software control.