Explore the versatility and precision of our FM Transmitter Module Kit, designed for electronic information engineering and high-frequency circuit experiments. This adjustable wireless microphone board offers a range of features to enhance your projects and experiments. Adjustable Design: Equipped with a built-in microphone, this circuit board also supports external sound input. Easily adjust the volume using the potentiometer, and fine-tune the frequency between 88-108MHz with the adjustable inductor to suit your specific needs. Three Stages: The circuit features a sophisticated three-stage design, including base frequency signal processing, frequency doubling amplification, and high-frequency amplification. This ensures a robust transmission distance of over 100 meters in open spaces, making it ideal for various applications. Frequency Doubling Circuit: Our frequency doubling circuit enhances frequency stability, minimizing the impact of frequency variations caused by human body induction. This results in a more reliable and consistent performance. Multi-Purpose: This FM transmitter module kit is perfect for a wide range of applications, including electronic information engineering and high-frequency electronic circuit experiments and tests. Its adaptability makes it a valuable tool for both educational and professional settings. Frequency Range: By adjusting the inductor, you can set the base frequency signal between 44-54MHz. The nonlinearity of the transistor then generates a 2x frequency signal, covering the 88-108MHz range, providing flexibility and precision in your projects. Enhance your electronic projects with our FM Transmitter Module Kit, offering adjustable features and reliable performance for a variety of applications. Whether you're conducting experiments or working on engineering projects, this kit provides the tools you need for success.