Computer hardware; communications hardware and software, and computer software, for use in the synchronization and timing of communications networks; communications hardware and software, and computer software, for managing communications data flow; communications hardware and software, and computer software, for enabling connectivity to and within communications networks; communications hardware and software, and computer software, for signal processing; communications relays and multiplexer...

Training others on the operation and maintenance of communications networks

telecommunications systems or data transmission systems comprised of electronic apparatus, namely switches, multiplexers, integrated circuits, semiconductors, circuit boards, radio transceivers, linear and digital electronic circuitry; and computer hardware and computer software used to facilitate telecommunications or data transmission applications