A cellular digital packet data (CDPD) system includes a mobile data base station (MDBS) configured to interface easily with an advanced mobile phone system (AMPS). The elements of the MDBS are arranged on modules and the functionality of the MDBS is divided among the modules to facilitate flexibility,...http://www.google.es/patents/US6122527?utm_source=gb-gplus-sharePatente US6122527 - Cellular digital packet data mobile data base station
Cellular digital packet data mobile data base station
