This FM transmitter is build with UPC1651 is a silicon monolithic integrated circuit specifically designed as a broadband amplifier covering the HF through UHF band. UPC1651 has a high power gain: 19 dB at 500 MHz, 5 V low-voltage operation in a small package.
The coil has 5 turns of copper wire of 0.5 mm with a diameter of 4 mm of the coil. You can use this as a low-power FM transmitter or an FM power amplifier for high RF power. If you want to use it as a mistake to use an FM antenna wire 70 cm long.
The coil has 5 turns of copper wire of 0.5 mm with a diameter of 4 mm of the coil. You can use this as a low-power FM transmitter or an FM power amplifier for high RF power. If you want to use it as a mistake to use an FM antenna wire 70 cm long.