The present invention relates to a communications system for mobile radio telephony comprising mobile devices, comprising modules which can be inserted into the mobile devices, with at least one subscriber territory being fixed inside the total territory covered by the communications system, within which...http://www.google.es/patents/US8112073?utm_source=gb-gplus-sharePatente US8112073 - System for mobile radio communication with at least one subscriber area located in an overall area
System for mobile radio communication with at least one subscriber area ...