gateway routers in the nature of computer control hardware; USB gateway routers in the nature of computer control hardware; ethernet gateway routers in the nature of computer control hardware; wireless gateway routers in the nature of computer control hardware; general packet radio service (GPRS) gateway routers in the nature of computer control hardware; electronic data loggers; computer hardware, namely, wireless network repeaters; computer network bridges; computer network digital addressable lighting interface bridges; temperature sensors; humidity sensors; remote electrical controllers; electronic display screens; electronic display touchscreens; environmental monitoring systems comprised of sensors that measure humidity and temperature, network repeaters, and gateway routers; transceivers; antennas; printed circuit board (PCB) antennas; near field communication (NFC) antennas; coaxial cable connectors; voltage regulators; radio frequency (RF) filters; surface acoustic wave (SAW) filters; radio frequency (RF) scanners