WIRELESS AND DIGITAL TELECOMMUNICATIONS SYSTEMS COMPRISING BASE STATIONS COMPRISED OF RECEIVERS AND TRANSMITTERS, REMOTE SUBSCRIBER UNITS, RADIO CARRIER STATIONS COMPRISING TRANSMITTERS AND RECEIVERS, AND REMOTE MODULAR CLUSTER UNITS; WIRELESS AND DIGITAL TELECOMMUNICATIONS EQUIPMENT, NAMELY PORTABLE AND STATIONARY RADIOTELEPHONES, ENCODERS, DECODERS, MODULATORS, DEMODULATORS, TELEPHONE LINE CONNECTORS, TELEPHONE SWITCHING TERMINALS, RADIO CORRELATORS, ELECTRONIC SYNCHRONIZERS FOR WIRELESS AN...