Audio circuit boards; Computer card adapter; Computer hardware, namely, wireless network extenders; Computer memory hardware; Computer network adapters; Computer peripheral apparatus; Connections for electric lines; Electric junction box housings; Electronic and optical communications instruments and components, namely, communication link testers for testing communication links; Electronic test and measurement devices for use in the fields of networks and telecommunications, namely, instrumentation used to test and certify new and existing data and voice communication cable and coaxial cable; Electronic testing equipment, namely, telecommunication line integrity testing apparatus; Integrated circuits and integrated circuit cores for use in wireless communications and wireless communication equipment and apparati and digital signal processors (DSP); Optical fibres, telephone receivers, switchboards, telephone and telegraph wires, video telephones; Semi-conductors; Testing apparatus for testing printed circuit boards