HALJIA MT8870 DTMF Voice Decoder Module Voice Telephone Module Audio Decoder Voice Dialing Control Module Compatible with Arduino, Raspberry Pi, ARM MCU & More

MT8870 DTMF voice decoder designed with onboard MT8870 frequency decoder chip. MT8870 DTMF voice module designed with onboard voice input interface, easy to decode voice. MT8870 DTMF audio decoder with onboard five light, convenient to check the output state. Easy to install, assemble and remove with great convenience. The chip has been drawn mainly basic pin. This module is suitable for modem interfaces, mobile radios and other DTMF-related applications. Features: PCB size: 26.5 (mm) x24.5 (mm), MT8870 DTMF voice boards is easy to install, assemble and remove.Working temperature: Negative 65 degrees celsius to 150 degrees celsius,withstand high and low temperature.Package Inculded: 1 x MT8870 DTMF decoder module.