ZETEK

ELECTRONIC COMMUNICATION EQUIPMENT FOR TRANSMITTING AND RECEIVING INFORMATION, NAMELY NETWORKING DEVICES FOR USE WITH COMPUTERS, PERSONAL COMPUTER COMPANIONS (PCC'S), PBX AND TELEPHONE HANDSET SYSTEMS COMPRISING TRANSCEIVERS, SWITCHING NETWORKS, ANTENNAS AND POWER SOURCES USED FOR SENDING AND RECEIVING DATA AND VOICE SIGNALS; COMPUTER PROGRAMS AND SOFTWARE USED TO IMPLEMENT LOCAL AND WIDE AREA NETWORKS INVOLVING DATA AND VOICE COMMUNICATIONS; LIFE SAFETY, SECURITY AND BUILDING AUTOMATION SYSTEMS COMPRISING SENSORS, ACTUATORS, SPEAKERS, TELEPHONES, MICROPHONES, COMPUTERS, MICROPROCESSORS, OPERATING COMPUTER PROGRAMS AND POWER SOURCES USED TO MONITOR EVENTS AND IMPLEMENT ACTIONS