Besides the more obvious broadcast, emergency and mobile radio services there are cellular and cordless telephones, radar, garage door openers and other remote controls, telemetry, and amateur and CB radio.

• 无线电频谱除了广播频段，应急通信频段和移动通信频段以外，还包括蜂窝电话、绳电话、达、控器、线电爱好者和民用频段。