Special featuresThe Nokia TMR880 radio offers some special features. One of the back panelconnectors of the radio has programmable input/output pins, for example, forconnecting external devices such as a status panel. It is also possible to connectenhancements to the system cable (SCR-14), for example, an external GPS (GlobalPositioning System) device. In addition to the standard AT commands, the NokiaTMR880 radio supports an extended AT command set for controlling the radio.For details and availability, contact your service provider. Control unitA separate Nokia Control Unit (CUR-2) can be connected to the Nokia TMR880radio. For example, it can be used as a second control unit or installed in placeswhere space is limited. The Nokia Control Unit has connectors for a speakermicrophone and a helmet enhancement (for example, for use with motorcycles).With the helmet enhancement, it is possible to mute all other audioenhancements that are connected to the Nokia Control Unit and the Nokia
