TETRAPOL

PORTABLE TERMINALS, NAMELY PERSONAL RADIO TERMINALS, PERSONAL DATA COMPUTER TERMINALS, LINE-CONNECTED COMPUTER TERMINALS; STATIONARY BASE STATIONS; TRANSMITTERS, RECEIVERS, TRANSCEIVERS, COMPUTERS, COMPUTER HARDWARE, RELAYS, RADIO SWITCHES FOR DISPATCHING COMMUNICATIONS, ALL FOR PROFESSIONAL DIGITAL RADIO COMMUNICATION NETWORKS

MAINTENANCE AND REPAIR OF PROFESSIONAL DIGITAL RADIOCOMMUNICATION NETWORKS

ELECTRONIC TRANSMISSION OF SPEECH AND DATA THROUGH DIGITAL RADIOCOMMUNICATION NETWORKS

ENGINEERING AND DESIGN OF PROFESSIONAL DIGITAL RADIO COMMUNICATION NETWORKS FOR OTHERS