Amplifiers; [ Amplifiers for wireless communications; Broadband wireless equipment, namely, telecommunications base station equipment for cellular and fixed networking and communications applications; ] Coaxial cables; [ Distribution amplifiers for audio and video signals; Electric connectors; Electric couplings; ] Electrical cables; [ Electrical plugs and sockets; Electrical signal attenuators; ] Lightning conductors; [ Masts for wireless aerials; Optical cables; ] Power supplies; [ Signal s...