AE11A04 DTMF Audio Generator Module Voice Dual Encode Transmitter Board 5~24VDC

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 12. There are 7 MCU input interface on the module. Specification: 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 * 13mm 2.48 * 1.57 * 0.51in Weight: 18g0.63oz Package List: 1*DTMF Generator Module 1*50cm Male to Male 3.5mm Audio Cord .The module is designed for dialing keyboard and MCU interface. The module can instruct MCU(or keyboard)to generate 16 dual tones from Audio 12. Wide voltage range,you can connect it with voltage from 5~24VDC. The module equipped with two 3.5mm audio plug for same time using. There are 7 MCU input interface on the module.