Audio Receiver 433 MHz RF module using Circuit Diagram

This Audio Receiver 433 MHz RF module using circuit diagram is very interesting, it is a module 433mhz RF common of those used in alarm or electronic gate, which was transformed into audio receiver and data simultaneously. The circuit consists of LM386 audio amplifier and the RF module requires a voltage of 4.5 to 5.5 volts and a very small current.

Audio Receiver 433 MHz RF module using Circuit Diagram