Three days ago, on July 6, a new law came into the United States that could change the attitude of device manufacturers with SDR to open source software.
Last week, a law came in that made it difficult for manufacturers to get approval from the FCC for equipment with SDR (Software Defined Radio - a radio communication system in which software is used to modulate and demodulate radio signals) using open source software. It should be noted that SDR technology is widely used in modern mobile phones and WiFi equipment.
The new FCC regulation is aimed at restricting "bad users" (for example, terrorists) from the source code so that it cannot be reflashed, for example, to get more power or the ability to use external frequencies that could jeopardize public safety. Thus, it will be difficult to get FCC permission for SDR devices using free software. It's a pity, because now, among the manufacturers of wireless equipment and phones, free software has become more popular ...