Electrotechnical and electronic appliances, devices and instruments, namely, appliances, devices and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; physical, chemical, optical, photographic, nautical and geodetic apparatus, equipment and instruments, namely, radio sensors, optical sensors, piezo-electric sensors, electromagnetic sensors and electronic sensors for temperature, position, air humidity, gas concentration, occupancy status, light level, switch information, metering information, water leakage, and smoke detection, optical transmitters and transceivers for radio systems, repeaters for radio systems, radio receivers, radio transmitters, sensor transmitting modules, transceiver modules for radio systems, repeater modules for radio systems, receiver modules for radio systems, piezo-electric or electromagnetic transmitter modules, evaluation boards for receiver modules and transmitter modules; weighing, signaling, measuring, metering, registering, monitoring, testing, controlling and switching apparatus, namely radio switches, electrical sensors and electric actuators; radio remote control apparatus, namely, radio transmitters and remote control transmitters for radio-controlled electric actuators and parts therefor; electrical switch inserts, namely, radio switch inserts with maintenance-free energy generators; all goods exclusively for use in the field of commutation, radio sensor technology and energy conversion, and not in connection with bicycles, and not for telephone servers, telephone switches, protocol converters