THE METHOD OF MULTI USIM CARD EQUIPPING REQUIRED IN THE DEVELOPMENT OF A RADIO QUALITY MEASUREMENT PDA TERMINAL FOR 3G SERVICE PROVIDERS

摘要

PURPOSE: A multi USIM mounting method for selectively using a USIM card by mounting the USIM card of each business carrier is provided to remove the mobile terminal by mounting the USIM card to a quality measurement exclusive terminal. CONSTITUTION: A DM(Diagnostic Monitor) port(210) is installed to a 3G portable terminal. The DM port monitors an operation situation of the mobile terminal. The authentication process of a USIM(Universal Subscriber Identity Module) mounting unit(240) operates through the DM port. A processor(220) receives an approval message through the DM port. The processor reads business carrier information from the approval message. The processor approves the USIM of the USIM mounting unit.