Electrical tracking apparatus; Radio signalling instruments for use in tracking; Radio frequency identification readers (RFID readers); Apparatus for controlling the processing of data; Apparatus for interconnecting data processing equipment; Apparatus for the transmission of data; Data collection apparatus; Data communications software; Data conversion apparatus; Data handling apparatus; Data receivers; Data transfer apparatus; Data transmission apparatus; Data transmitting apparatus; Digital data transmitting apparatus; Digital data receiving apparatus; Digital data transmission apparatus; Telephony apparatus; Telephony installations; Data processing devices; Data storage devices; Data storage devices bearing data; Electric devices for transmission of data between computers; Electric devices for transmission of data between microprocessors; Electrical devices for storage of data; Electrical devices for transmission of data; Electronic devices for the transmission of data between computers; Electronic devices for the transmission of data between microprocessors; Electronic devices for transmitting data; Hand held receivers; Remote monitoring apparatus; Apparatus for recording video; Still video cameras; Video apparatus; Video recording apparatus; Video reproducing apparatus; Application software; Wireless transmitters; Wireless transmission apparatus; Wireless transmission apparatus for remote control; Fibre optic apparatus; Fibre optics communications installations for use with electronic apparatus; Two-way wireless communication systems; Wireless communication apparatus; Wireless high frequency transmission instruments; Wireless receiving apparatus; Audio installations; Communication installations; Computer installations (networks); Computer installations for the communication of data; Computer installations for the processing of data; Computer installations for the storage of data; Computer network installations; Computer network operating installations; Control apparatus for the management of communication installations; Data communications installations; Data interconnecting computer installations; Data storage installations; Data transmission installations; Fibre optics communications installations for use with computers; Installations for the electronic processing of data; Intercommunication installations; Intercommunications apparatus for installation in vehicles; Telecommunications installations; Telecommunications network management installations; Radio frequency identification tags (RFID tags); Apparatus for use in access control; Automatic access control apparatus; Automatic access control systems; Electric access control apparatus; Electric access control systems

Installation of communications network apparatus; Installation of communications network instruments; Installation of data network apparatus; Installation of electronic apparatus; Installation of telecommunications apparatus; Installation, maintenance and repair of computer hardware; Installation, maintenance and repair of computer peripherals; Maintenance and repair of electronic installations; Maintenance, installation and repair of industrial apparatus and instruments