SignalTrace “links devices that regularly travel together, correlating them to license plate.” It is a surveillance product that will sweep up and add all sorts of Bluetooth and other data to license plate readers, linking specific devices—and people—to cars.
OK, waaay late to a better response.
If you’re on Android or an alt OS, you can go into developer options > Bluetooth LE Audio Mode it’s defaulted to “Unicast and Broadcast” but I’ve disabled it.
Maybe that’ll help someone!