[ Measuring and testing machines and instruments, namely, millimeter wave radar detectors; electric meters for measuring electric field of electromagnetic wave and electromagnetic field strength; ] optical converters for optical signals and electric signals and structural parts thereof [ ; telecommunication equipment featuring optical transmission by optical fiber cables, 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 in the nature of switches and console, alarm, sensor and power management devices; electronic and optical communications instruments and components, namely, optical transmitters; electronic and optical communications instruments and components, namely, optical receivers; electronic and optical communications instruments and components, namely, optical data links; electronic and optical communications instruments and components, namely, optical transceivers; electronic and optical communications instruments and components, namely, digital transmitters; electronic and optical communications instruments and components, namely, communication link testers for testing communication links; optical communication devices and equipment, namely, optical communications systems comprised of optical and electronic hardware and computer software for the transmission of data between two points; electric meters; electronic devices, namely, energy meters for tracking and monitoring energy usage; cables for electrical and optical signal transmission systems; cables for electrical or optical signal transmission; cables for optical signal transmission; electrical and optical cables; optical cables; optical fiber cables ]