Adafruit Stereo FM Transmitter with RDS/RBDS Breakout - Si4713 : ID 1958 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Chapter 4: Radio -- Build a very simple AM radio transmitter
FM Transmitter circuit | Fm transmitters, Electronics mini projects, Electronics projects diy
Simple Miniature FM Transmitter
Overview | Adafruit Si4713 FM Radio Transmitter with RDS/RDBS Support | Adafruit Learning System
Amazon.com: Medium Wave Transmitter Experiment AM Radio Transmitter DIY kit, compatiable for Testing/Debugging Medium Wave radios, Learn How it Works, Practice Building and Testing, Medium Wave (AM) Transmitter : Electronics