Various Kinds of Interface : The AE11A04 DTMF generator module is equipped with two 3 . 5mm audio plug for same time using and 7 MCU input interface on the module designed for dialing keyboard and MCU interface
Wide Voltage Range & Generate 16 Dual Tones : The 5~24VDC audio generator board has wide voltage range so that you can connect it with voltage from 5~24VDC . And the module can instruct MCU(or keyboard)to generate 16 dual tones from Audio 1/2
Good Workmanship Circuit Board : The audio generator board is made of FR 4 PCB board , aluminum electrolyte capacitor , high concentration tin , SMT components , high power transistor
Good Contact Performance : This DTMF generator module’s all contact materials are highly conductive material surfaces and has good contact performance to ensure stable working which let it have better conductivity
Accurate Control & Strong Anti interference Ability : This voice dual encode transmitter have accurate voice control and strong anti interference ability to ensure less signal loss and smooth output