Practically speaking, roughly 100% of those devices are fully regulator-approved and compliant with standards, because roughly 100% are running firmware from ve

Practically speaking, roughly 100% of those devices are fully regulator-approved and compliant with standards, because roughly 100% are running firmware from vendors who rely on regulatory approval. Essentially 0% of those devices are user-controlled in the "I can make the radio do whatever I want" sense.