MINETRACER

WIRELESS VOICE COMMUNICATION SYSTEMS COMPRISING NETWORK CONTROLLERS, TRANSMITTERS/RECEIVIERS, MOBILE COMMUNICATION TAGS, TRANSMITTERS FOR TRANSMITTING THE LOCATION AND IDENTITY OF THE HOLDER THEREOF; WIRELESS VOICE COMMUNICATION SYSTEMS FOR USE IN UNDERGROUND MINES AND CONFINED SPACES, NAMELY NETWORK CONTROLLERS, TEXT MESSAGING MOBILE COMMUNICATORS, NAMELY TRANSMITTER/RECEIVERS, MOBILE COMMUNICATION TAGS, TRANSMITTERS FOR TRANSMITTING THE LOCATION AND IDENTITY OF THE HOLDER THEREOF, WIRELESS ACCESS POINT APPARATUSES FOR COMMUNICATING WITH MOBILE COMMUNICATORS AND COMMUNICATION TAGS