Apparatus for recording, transmission or reproduction of sound or images; cash registers, calculating machines, data processing equipment and computers; electric signs; electric and electronic indicator boards; electric and electronic scoreboards; hardened units composed of microprocessors and integrated transmitters and receivers installed in the field and on board both mobile and stationary equipment in construction, and industrial operations to collect data from various applications, to transmit data to central processing facilities, and to receive data transmissions directed to the applications and equipment; apparatus for transmission of communication; apparatus for recording, transmission, processing and reproduction of data; Computer hardware and software system for remotely controlling devices within a building, facility, grounds, or designated spatial area; radio transmitters; computer software for the composition and distribution of information to be displayed on electronic indicator boards and signs or the transmission of such information between a personal computer or a wireless operation interface and the electronic indicator boards and signs; computer software programs for the integration of text, audio, graphics, still images and moving pictures via a network into electronic indicator boards and signs