With the EKI 2045 FM Microphone Transmitter Kit you can build your own transmitter that can be heard on any FM radio with a range of 40ft.
Includes a miniature condenser microphone. 9V battery not included. Warning: Not to be used for jamming radio or TV reception. Principles taught: Transistor amplifiers, LC oscillator, transmitters. Components: 5 capacitors, 6 resistors, 2 coils, 2 transistors, microphone, slide switch, battery snap (Software available upon request).
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