Electrical adapters; Electronic testing equipment, namely, telecommunication line integrity testing apparatus; 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; Television transmitters; Telecommunication cables; Sound amplifiers; Telephone connectors; Telecommunications transmitters; Radio transmitters; Electronic and optical communications instruments and components, namely, digital transmitters; Wireless telephony apparatus; Plug connectors; Plug-in connectors; Electronic cables; Electrical transformers for telecommunication apparatus; Computer hardware for telecommunications; Apparatus for transmission of communication; Antennas for wireless communications apparatus; Connectors for electronic circuits; Connection cables; Cell phone auxiliary cables; Audio-frequency transformers; Cable modems; Electrical interconnect cables; Electronic circuits; Electronic switchers for audio and video signals; Electrical transformers; LAN local area network hardware; Cable connectors; Wireless adapters for computers; Wireless receivers and transmitters for portable media players; USB cables; Video cables; Audio cables; Audio transmitter units; Antennas