HackRF GNU Radio FM Transmitter Simple GNU Radio blocks for TX Start in your LINUX Terminal ! FOR EDUCATION PUSPOSES ONLY ! ! ONLY YOU ARE RESPONSIBLE FOR ANY DAMAGES or ILLEGAL ACTIVITY ! I recommend to use Dragon OS ensure you have gnuradio version 3.10.4.0 Setup For Transmit saved file (song) on FM For check your GNU radio version gnuradio-config-info --version Start GNU radio gnuradio-companion HackRFOne-FM-Transmitter.grc OR just by python python3 default.py For transmit Audio (Your Voice) on FM Enable your USB or 3.5MM jack Microphone then start gnuradio-companion hackRFOneMicTransmitFM.grc then press play button now say: Hello Hello, this is test 123 ...