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An Unlicensed Mobile Access Network is derived by utilizing existing unlicensed radio technologies such as Wi-Fi (Wireless Fidelity) and Bluetooth® to extend GSM and GPRS services into customer sites. This is achieved by introducing a UNC (Unlicensed Network Controller) into the network which connects the existing GSM and GPRS core network, through a broadband IP network, to the Access Point situated in the customer site. As such, customers can switch between the traditional GSM / GPRS network and the UMAN as the move into and out off coverage.
