We will have to develop a new mask and probably a finer circuit engraver as well. The technological revolution brought about by the SIM card will impact the smart card's capacity, processor and bus speed as well as interface performance. As for power requirements, the 3G card's current is just 1.8V, compared to 5V for bank cards and 3V for SIM cards at present. The card's memory capacity is moving towards 1 to 2 Megabytes thanks to rapid flash memory . And finally, by integrating Bluetooth standard wireless communications, the card will become a component of the PicoNet - a smart object that integrates readily into any local and long distance IP networks.
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