Laser diodes; Semiconductor devices; Apparatus for converting electronic radiation to electrical energy, namely, PVT (photovoltaic thermal) module; Electric sensors; Electronic semi-conductors; Electronic sensors for measuring solar radiation; Electronic components in the nature of rectifiers, diodes, antennas, detectors, photonics; Electronic proximity sensors and switches; Gas sensors for measuring gas concentration; Infrared sensors; LED position sensors; Optical sensors; Organic light emitting diodes (OLED); Photoelectric sensors; Photovoltaic systems that convert sunlight into electric and thermal energy; Proximity sensors; Remote sensors for use in measuring thermal and infrared radiation energy waves; Semiconductor power elements; 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; Temperature sensors