Computer network adapters; Electronic and optical communications instruments and components, namely, communication link testers for testing communication links; Ethernet repeaters; Gateway routers in the nature of computer control hardware; Home automation hubs using artificial intelligence comprised of voice-activated speakers, computer hardware, and software for controlling networked devices in the internet of things (IoT), operating internet-enabled and connected lighting apparatus and home security alarms; Integrated circuits and integrated circuit cores for use in wireless communications and wireless communication equipment and apparati and digital signal processors (DSP); LAN computer cards for connecting portable computer devices to computer networks; Microcontrollers for internet of things (IoT) enabled devices; Mobile hotspot devices; 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; Wireless routers