Stable Audio Decoder Board DC 4.5V-5.5V DTMF Audio Decoder For Fixed Telephone Mobile Phone Voice Dialing Decoding Function

Stable Audio Decoder Board DC 4.5V-5.5V DTMF Audio Decoder for Fixed Telephone Mobile Phone Voice Dialing Decoding Function Specification: Features: This decoding module is for mobile and fixed telephone voice dialing decoding function. It has 16 channels 8 kinds of selectable output function and leads to STD signal to use as a microcontroller interrupt signal. Very convenient to embed all kinds for mobile and fixed telephoneremote remote control remote control decoding key value. 12 channels outputs decode mobile and fixed telephone keys 0-9 x #. Another 4 channels outputABCD can use DTMF Dial Software control. Specification: Power Supply Voltage: DC 4.5V-5.5VTypical 5V Operating Temperature: -40~85 degrees Celsius IO Drive : Sink Current Low drive 20mA source currentHigh drive 270uA 16 Channel selectable high and low output. 16 Channel output: 0-9 x# ABCD 8 kinds of Mode selection PCB Size: 50x20mm / 1.97x0.79in Weight: Approx. 18g Package list: 1 x 16 Channel DTMF Decoder Module 1 x Male to Male Audio Wire 3.5mm jack