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Telecommunication systems based on wireless technology (Wi-Fi, WiMax, Sat DVB-RCS, etc.) offer more than others systems, the opportunity to provide a wide range of broadband services and applications. There are some circumstances where these systems contribute to solve the problem of need of communications such as, for example, for communication restoration during emergencies and catastrophic events as well as for communication services deployment in rural suburban areas typically affected by "digital divide". This paper presents a proposal for an unique integrated wireless network system, mainly based on TCP-IP protocol, which provides a wide range of applications like voice, video, internet browsing, data access, etc. A specific section of the paper is dedicated to WiMax technology and, to evidentiate the performances of this innovative technology, some results of the trials carried out in Italy in 2005-2006 by Fondazione Ugo Bordoni (FUB) and Ministry of Communications, are reported. [ABSTRACT FROM AUTHOR]