You mean like the portapack, which is based on a HackRF and allows transmission on a broad range of frequencies.. https://github.com/portapack-mayhem/mayhem-fi

You mean like the portapack, which is based on a HackRF and allows transmission on a broad range of frequencies.. https://github.com/portapack-mayhem/mayhem-firmware https://github.com/portapack-mayhem/mayhem-firmware At least the normal layperson would need to understand RF to cause any damage.