https://telescope.ac/petazzoni/mayhem-t ... k-firmware
En tiempos era poco mas que un receptor analógico, pero parece que gracias a ser software libre se ha ido expandiendo y ahora alcanza una buena cantidad de modulaciones y protocolos, tanto en emisión como en recepción.
Off Topic
The list of supported radio protocols on MAYHEM is impressive: Police Scanner, IQ file replay, Microphone FM transmit with CTCSS, CTCSS decoder, Frequency manager (save & load from SD card, with categories and notes), "Soundboard" wave file player from files in SD card , ADS-B receiver with map view, ADS-B transmitter (aircraft spoof), SSTV transmitter, Fully configurable jammer, POCSAG transmitter, POCSAG receiver/decoder, Morse transmitter (FM tone and CW), OOK transmitter for common remote encoders (PT2262, doorbells, remote outlets, some garage doors, ...), RDS (Radio Data System) PSN, RadioText and Time groups transmitter, Meteorological ballon radiosonde receiver (M10, M2K2, ...) , AFSK receiver, AFSK transmitter (Bell202, ...) , Nuoptix DTMF sync transmitter, French LCR (Language de Commande Routier) message generator, Street lighting control transmitter (CCIR tones), Fully configurable RF signal generator, car TPMS decoder, car keyfoob spoofer (Subaru), Nordic NRF decoder, APRS decoder and transmitter, RSSI audio output as pitch (for direction finding), BurgerPager Spoofer, and more.