Antenna boosters; antenna masts; antenna positioners; antenna transmission wire; antennae; antennae arrays; antennae filters; antennas; antennas for radios; antennas for receiving audio signals; antennas for receiving television signals; antennas for the reception of electromagnetic waves; antennas for the transmission of electromagnetic waves; antennas for wireless communication apparatus; communications antennae; masts for antennae; microwave antenna for the reception of satellite data; microwave antenna for the reception of television signals; microwave antennae; parabolic antenna; parabolic antennae for use in mounting antennae masts; parabolic antennae for use in positioning antennae masts; radio signal antennae; radio wave receiving antennae; radioelectrical television antennae; radio-frequency antennas; receiving antennae for vehicle radios; receiving antennas for satellite broadcast; satellite broadcasting antennae; satellite dishes (antennae); satellite signal receiving antennae; television antennas; apparatus for receiving satellite broadcast signals; audiovisual apparatus for use in satellite broadcasting; electronic television satellite apparatus; portable apparatus for receiving satellite transmissions; portable communication terminals for use in connection with satellites; receiving antennas for satellite broadcast; satellite apparatus; satellite boxes being parts and fittings of satellite apparatus; satellite broadcasting antennae; satellite broadcasting apparatus; satellite communication apparatus; satellite dishes; satellite dishes (antennae); satellite receivers; satellite receiving aerials; satellite receiving apparatus; satellite signal receiving antennae; satellite television integrated receiver descramblers; satellite television signal descramblers; satellite television signal scramblers; satellite transceivers; satellite transmitting aerials; satellite transmitting apparatus; satellites for communication purposes; cable installations for the transmission of data; cable installations for the transmission of voice; cable management installations for data signal transmission; cable television apparatus and instruments; cable television head end transcoders; cable television installations; coaxial cables; communications cables; alarm installations for buildings; cable installations for the transmission of data; cable installations for the transmission of voice; cable management installations for data signal transmission; cable management installations for power transmission; cable television installations; cabling networks (installations) incorporating fibre optic cables; closed circuit television monitoring installations; closed circuit video installations; coding installations for subscription television channels; communication installations; computer network installations; computer networking installations; electronic data communications installations; fibre optic link installations; fibre optics communications installations for use with computers; fibre optics communications installations for use with electronic apparatus; installations (electric or electronic) for use in security; installations for use in the networking of computers; optical communications installations; telecommunications installations; telecommunications network management installations; telephone installations; telephony installations; video camera security installations; video door telephone installations; video multiplexing apparatus for use with video camera installations; aerials for television; antennas for receiving television signals; cable television installations; closed circuit television monitoring apparatus; closed circuit television monitoring installations; closed circuit television surveillance cameras; television aerials for vehicles; television antennas