This is straightforward FM transmitter for FM telecast band in 88-108 MHz. BC 549 is the little flag transistor for wide applications, however for the most part for Audio Frequency. But you can construct straightforward FM transmitter with one BC549 transistor and a few other segment parts. Basic FM transmitter with one and only transistor is regularly called “bug”. This undertaking is suitable for learners in radio beginner, instruction, or interests. As a radio wire you can interface 150cm of copper wire.