Computer peripheral devices; Computer software (recorded); Couplers (data processing equipment); Mouse (computer peripherals); Integrated circuit cards; USB flash drives; Card readers; Computer terminals; Digital to analogue converters; Digital signal processing apparatus; Audio signal processing apparatus; Integrated circuit cards (smart cards); Aerials; Switchboards; Modems; Apparatus for linking computers into networks; Radio receivers; Radio transmitters; Wireless communication apparatus; Electric sockets; Telecommunications switchboards; Computer modems