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GSM Dual Sim Card Circuit

Discussion in 'Mobile Phones Forum' started by pejman, Jul 30, 2005.

  1. pejman

    pejman
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    Hi All,

    Does anybody know how a "Dual Sim Card Circuit" works? It will be use in usual mobile phones to give advantage of using two sim cards simultaneously and I think that the circuit should have a small bus switch IC. Where can I find these kind of mobile schematic circuits?

    Thank you :)
     

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