9 Radio transmission apparatuses, namely, antennas for telecommunications, transmitting and receiving antennas for mobile phone installations, antennas for telecommunications base stations, antennas for satellite links, antennas for radio broadcasting; apparatus and devices for coupling and filtering electric radio waves, namely, filters, combiners, multiplexers; apparatus and devices for amplifying electric radio waves, namely, amplifiers; devices and apparatus to protect against electro-magnetic impulses and against electromagnetic radiation, namely, shielding, insulators, filters; repeaters for telecommunications networks; apparatus and equipment for the analysis of electric radio signals, namely, waveguides, in particular high frequency waveguides, telecommunications cables, in particular high-frequency cables and high-frequency coaxial cables, junction sleeves and boxes for telecommunications cables, connectors for telecommunications cables; antenna control software for telecommunications; circulators of ferrite for radio frequency transmission systems and equipment with electrical or electronic components, namely, aerials, amplifiers, multiplexers, demultiplexers, transmitters, receivers