9 Measuring apparatus and instruments, namely, receivers for receiving, analyzing and measuring radio frequency signals and power; optical apparatus and instruments, namely, infrared signal transmitters and lasers not for medical use; apparatus for recording, transmitting and reproducing messages, specifically, sound and images; audio, radio and video broadcasting apparatus; digital and analogue signal transmitters, receivers and converters; radio, television and telephone transmitters, receivers and communication servers; radio and telecommunications transmitters and electrical power supplies therefor; mobile telephones; communications apparatus and instruments for the transmission, storage and reproduction of sound, text, images and data, and replacement parts thereof; mobile data receivers; downloadable computer software for processing and transmitting data and information; computer hardware and computer peripherals for processing and transmitting data and information; recorded computer software and software packages held on all types of physical media for the operation of a cellular mobile telecommunication system; blank optical data media and blank magnetic data media, namely, blank optical data carriers; electronic data carriers encoded with computer programs for the operation of cellular mobile telecommunication and data communication systems and data, namely, electronic documents in the field of telecommunications; integrated circuit memory cards; memory cards; telecommunications equipment, namely, electronic memory integrated circuit chips for operation of cellular mobile telecommunication and data communication systems