J2R110, J3R110, J2R150, J3R150, J3R180, J3R200 are JCOP4 series JAVA card is another pinnacle after J2A, J3A, J3D, J3H श्रृंखला, on the basis of ensuring high security and high performance, डेटा भंडारण क्षमता बढ़ जाती है, and the Flash chip is used to make the computing speed of the chip faster and more stable. J3H श्रृंखला जावा से पहले (सम्मिलित), all of them used EEPROM chips, और J3R श्रृंखला के बाद (सम्मिलित), they all used Flash chips.
J2R110, J3R110, J2R150, J3R150, J3R180, J3R200 chips are available in EMV and SecID versions. ईएमवी संस्करण मुख्य रूप से वित्तीय क्षेत्र में प्रयोग किया जाता है; The SecID version is mainly used in the field of electronic identity, and the ECC algorithm and Gen Key encryption algorithm are used in the field of electronic ID card. वर्तमान में, the J3R SecID series has obtained the CC EAL 6+ प्रमाणपत्र. The RAM (i.e., trasient मेमोरी) of the J3R series JAVA cards is 4K, which is 0.8K more than that of the J3H series, and the APDU Buffer Size can be expanded even more.
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