Abstract: A radio receiver (1), preferably a car radio, is proposed which is protected against theft and is used for mobile phone calls. To that end, the radio receiver (1) has a removable control panel (5) for operating the radio receiver (1), wherein the control panel (5) has a keypad (10). The control panel (5) has a radio device (50), preferably embodied as a radio telephone for communication with at least one radio station. Furthermore, at least one interface (15) is provided, by way of which, when the control panel (5) is connected to the radio receiver (1), data and/or antenna signals can be exchanged between the control panel (5) and the radio receiver (1). The radio device (50) can be operated using the keypad (10).