The K-SM 10 is a special signalling and command system for use by the police, fire brigade and emergency services. Owing to its small size and lightness, this system is suitable for fitting into the car radio compartment or mounting on or under the dashboard.

The K-SM 20 is a warning and command system for vehicles of the police, fire brigade, emergency medical services, public authorities and the armed forces - in short, for all those who drive with special signals to warn other road users and protect emergency personnel.

The signal generator K-SGU 32 generates the special signal prescribed in Germany according to DIN 14610. For this it has, in combination with two active loudspeakers K-SRA 30, the General Design Certification M 25019. Worldwide and for the most diverse applications, the standard special signals as well as signals desired by the customer are programmable: flexibility without expensive hardware changes.

The warning and command system WA-3 is a compact and well-tried device for vehicles of the police, fire brigade and emergency medical services. The WA-3 is easy to operate and is quickly installable, maintenance-free and reliable. The complete electronics with control unit, transducer, power amplifier and also two loudspeakers are housed in the aerodynamically shaped rooftop system.

The WA-23 is the well-tried warning and command system for police, fire brigade and emergency medical services. It offers flexible solutions for every application and is easy to operate, quickly installable, and reliable in operation.

The WA-50 is recommended as a warning system for vehicles of the police, fire brigade and emergency medical services wherever it is possible to do without announcements made via loudspeaker. Alongside the warning signals that comply with German regulations, the signals required in France are also available for export. The system is obtainable with 12V or 24V operating voltage.