Antennas; Batteries; Battery chargers; Battery chargers for use with telephones; Blank flash memory cards; Carrying cases for cell phones; Carrying cases for mobile computers; Central processing units (CPU); Computer cables; Computer monitors; Computer network hubs, switches and routers; Computer software to maintain and operate computer system; Computers; Demodulators; Electric connectors; Electric switches; Electronic circuit board; Electronic memory card readers; Electronic personal identification number (PIN) pads; Electronic security token in the nature of a fob-like device used by an authorized user of a computer system facilitate authentication; Electronic video surveillance products, namely, electronic components of security systems; Ethernet controllers; Facilities management software, namely, software to control building environment, access and security systems; Gateway routers in the nature of computer control hardware; Global positioning system; GPS navigation device; Hard disk drives (HDD); Headsets for cellular or mobile phones; Headsets for mobile telephones; Headsets for telephones; Infrared cameras; Integrated circuits; Intercoms; Keyboards; LAN computer cards for connecting portable computer devices to computer networks; Memory cards; Microprocessors; Mobile computing and operating platforms consisting of data transceivers, wireless networks and gateways for collection and management of data; Mobile data receivers; Modems; Motion detectors; Power adapters for computers; Power supplies; Power supplies for lights, sirens and public address systems; Power supply connectors and adaptors for use with portable electronic devices; Printer cables; Radio transmitters and receivers; Scanners; Semiconductor devices; Smart card readers; Smoke alarms; Sonar equipment and parts thereof; Straps for mobile phones; Terminals for radiotelephones; Transceivers; USB card readers