Radio signal processing apparatus, namely, transmitters, receivers, amplifiers, multiplexers, cross-connects and signal processors and converters; computer software used to manage radio signals and to provide interoperable communications among mobile radio users for use with mobile radio antenna towers and mobile radios; and user guides sold as a unit therewith

radio signal processing apparatus and computer software for use therewith, for use with mobile radio antenna towers and mobile radios to enable and facilitate communications among mobile radio users