Multi-chip RFID packages to substitute multiple RFID cards

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The Massachusetts Institute of Technology (MIT) demonstrated at the RSA Security Conference a four chip RFID card that integrates a contactless sensor manufactured by HID. Dan Greenwood, MIT's Media Lab lecturer, said that the technology - which was integrated in to a prototype card - will enable users to flip a switch to activate one chip to open a door or flip another switch to buy groceries.

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