HYS

[ Aerials; ] Amplifiers; Batteries, electric; Battery chargers; [ Computer network hubs, switches and routers; ] Headphones; Intercoms [ ; Radio sets; 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; Transmitters of electronic signals ]