Access control and alarm monitoring systems; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Computer hardware, namely, wireless network repeaters; MP4 players; Portable radios; Portable wrist-mounted digital electronic device for audio recording and audio playback; Speaker microphones; 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; Video cassette recorders and players, compact disc players, digital audio tape recorders and players, electronic diaries; Wireless electronic devices for locating and tracking personal objects, wallets, backpacks, luggage