> Otherwise we'd all have to take a radio operator course before enabling the Wi-Fi or Bluetooth functions on our smartphones, or even to turn on our microwave

> Otherwise we'd all have to take a radio operator course before enabling the Wi-Fi or Bluetooth functions on our smartphones, or even to turn on our microwave ovens. Not really. I've got a license for GMRS, but the "test" just consisted of sending the FCC sixty bucks.