Omabeta ae11a04 dtmf generator module 5~24vdc audio generator board dual encode transmitter for dialing keyboard

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 modules 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

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