Low Power FM Transmitter With RDS Encode and PC USB Audio, AUX input

There is modern I/Q-modulation scheme, where DSP controls amplitude and phase of the FM carrier. Also after RF created, it goes into PA where it’s amplified to ~20dBm (100mW). This scheme (that use I/Q-modulator) gives dramatically improvements of transmission quality, Sometimes even better that commercial FM-broadcasts. Operation mode: 1.PC Mode: Yes (Connected to PC USB port, Automatically switch to USB digital audio),Turn your PC into a radio station! PC music send to radio receiver device by wireless. 2.Stand-alone Mode: Yes (Automatically switch to AUX IN Mode by external DC5V power,Use external audio standalone work, No need PC.It can connect with MP3/CD/DVD/DAB/DVB/TV/Mobileand so on)