Electrical apparatus, instruments and devices, namely, electronic combiners for RF applications for use in mobile communication systems; [ Communication devices for the transmission, broadcasting, reception and processing of audio and video signals and data, namely, converters, protocol converters, ] electronic combiners for connecting antennas and receivers and/or transmitters; [ combiners for mixing signals with or without electronics and filters and alarm control devices for masthead electronics, namely, electronic apparatus for monitoring alarm systems in mast head amplifiers, electric control panels for controlling alarms systems in mast head lights; apparatus for the transmission of communications, antennas for wireless communications apparatus; Electronic devices for use in communication technology including wide band communication technology, and in transmission and reception technology, namely, electric control panels for mobile communication systems, electro-mechanical controls for use with mobile communication systems and local or remote operation and maintenance devices for masthead electronics for mobile communication systems, namely, remote controls; electronic devices in the field of mobile radio and for mobile radio stations, namely, radio transmitters and base transceiver stations and electric control panels for electronics including control equipments for masthead electronics; Antennas; Antenna systems for mobile radio and mobile radio stations comprised of antennas and ] electronic combiners for connecting antennas and receivers, radio transmitters and control equipment for controlling the antennas, transceivers and receivers and for masthead electronic; [ Active Antennas; ] Antennas with integrated components, namely, combiners for combining radio frequency signals for connecting signals from or to multiple sources and for connecting signals from or to base transceiver stations, transceivers, amplifiers, control electronics for remote electrical tilt and alarm control, electronic combiners for connecting antennas and receivers; [ Converters, namely, electrical converters and electrical transducers; Bias Tees and Bias Tees with pilot frequencies; High frequency switches; Multiplexers including diplexer, duplexers and triplexers; Filters for radio interference suppression including band pass filters; Controlling equipment for signal transmission for use with radio mobile systems, namely, monitor signal amplifiers, monitor modules and electronic monitors for monitoring remote electrical tilt and masthead electronics; Electronic bypass circuits; converters and electrical transducers including protocol, voltage, amperage, power and frequency converters and transducers; Devices for wireless radio transmission, namely, phase shift drives for setting a different downtilt angle in mobile radio system and remotely operated phase shift drives; Modulators and demodulators; structural parts for all of the foregoing goods ]