Features:
- The module is designed for dialing keyboard and MCU interface.
- The module can instruct MCU(or keyboard)to generate 16 dual tones from Audio 1/2.
- The module equipped with two 3.5mm audio plug for same time using.
- Wide voltage range,you can connect it with voltage from 5 - 24VDC.
- There are 7 MCU input interface on the module.
Specification:
Working Voltage:5~24VDC
Working Current:6~8mA
Power Port:2.1*5.5mm Female head male head DC power socket
Audio Port:2*3.5mm Audio Jack
MCU Input Port: 7x 2.54mm Pin,5V GND D3 D2 D1 D0 STD
Size:63 * 40 x 13mm
Package Included:
1 x DTMF Generator Module
1 x 50cm Male to Male 3.5mm Audio Cord
