Duplexers; Antennas; Apparatus for transmission of communication; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio speakers; Broadband wireless equipment, namely, telecommunications base station equipment for cellular and fixed networking and communications applications; Computers and computer peripheral devices; Devices for wireless radio transmission; Electronic and optical communications instruments and components, namely, optical receivers; Electronic and optical communications instruments and components, namely, optical transceivers; Electronic and optical communications instruments and components, namely, optical transmitters; Electronic devices for detecting and locating lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; High-frequency switching power supplies; Mobile computing and operating platforms consisting of data transceivers, wireless networks and gateways for collection and management of data; Power amplifiers; Radio transmitters and receivers; Satellite transceivers; Sound systems comprising remote controls, amplifiers, loudspeakers and components therefor; Telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices