The 900 MHz band, a frequency range serving as a commons for all, is now at risk due to NextNav’s brazen attempt to privatize this shared resource. Left by the FCC for use by amateur radio operators, unlicensed consumer devices, and industrial, scientific, and medical equipment, this spectrum has...
Even my smoke alarms use 915MHz to link together. The documentation doesn’t say what frequency is used. You have to look up the FCC ID online to find that out. They are constantly transmitting to each other and start making a racket if anything interferes with them.