telephone, telegraph, radio and transmission equipment, namely automatic and manual switching exchanges for public and private networks, key systems and concentrators connected to telephone exchanges; in-house communication equipment, namely intercoms and local area data networks (LANs) comprising file servers, workstations, and printers attendant interconnection equipment; electrical power supply equipment; electrical power supply equipment; PCM (pulse code modulation) and CF (carrier frequency) equipment for transmission via cable and optical fibers, radiowaves, microwaves and satellite; antennas and antenna installations; modems; corded and cordless telephones, PABXs, videophones; radio pagers; telephone answering machines, call charge meters; police and fire alarm signal management equipment; radio paging systems; electronic search devices for locating avalanche victims; public payphones (coin and card operated); voice processing systems; ISDN (integrated services digital network) equipment, namely voice/data modems, terminal adapters, PC adapter cards, modules, routers/bridges, and related circuitry; fixed and mobile radio equipment for voice and data transmission, and pertinent transceivers; mobile telephones and cellular networks, and pertinent transceivers; facsimile machines; high frequency satellite broadcasting equipment, namely transmitters and/or receivers; office dictating/recording/playback equipment, computer controls for office automation equipment, namely word and data processing equipment including peripherals; electrical or electronic business office billing and accounting machines; postage scales, charge meters, flexitime recording systems, electronic premise security equipment providing personnel or visitor information, access control, identification and information records; cash registers and cash register control stations: bank-counter equipment, automatic cash dispensers; post-office boxes; parking meters, automated parking ticket barriers, signal parking control equipment; ticket-vending and ticket-canceling machines; electric, electronic and microelectronic components and assemblies, namely relays; integrated circuits, sensors; printed circuit boards, thick-film hybrid circuits, plug-in circuit cards