9 Apparatus for electronic data transmission, namely transmitters of electronic signals, namely, telephones, wireless phones, electric burglar alarm systems connected to mobile phones, transmitters of electronic signals, namely, sonars, electronic SIM cards for use in computers and mobile phones providing electronic certification of identity, digital signatures and access to mobile communication networks; apparatus for data transmission via global communications networks, namely, computers; computer software for providing access to global communication networks, word processors, mobile phones, modems, radio and telephone transmitters, switchboards, integrated circuits and integrated circuit chips and satellites; apparatus for recording, transmission or reproduction of sound or images, namely, digital audio tape recorders and digital voice recorders; magnetic encoded cards; computers and data processing equipment; computer peripherals; computer software for providing electronic certification of identity, digital signatures and access to mobile communication networks