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How to distinguish between D21 and D22

Question asked by tony.liang on Apr 18, 2018
Latest reply on May 10, 2018 by tony.liang

As the title。I get two type of smartcard named MF3ICD2101DUD/05 (D21) and MF3D2201DUD (D22),when I use the NFC reader to communicate with them,how can I distinguish witch one is the D21 and witch one is D22 ? can I read any used data from the NFC tags ? Thanks