J2R110, J3R110, J2R150, J3R150, J3R180, J3R200 are JCOP4 series JAVA card is another pinnacle after J2A, J3A, J3D, J3H ተከታታይ, on the basis of ensuring high security and high performance, የውሂብ ማከማቻ አቅም እየጨመረ ነው, and the Flash chip is used to make the computing speed of the chip faster and more stable. የ J3H ተከታታይ ጃቫ በፊት (ይዞ የሚገኝ), all of them used EEPROM chips, እና J3R ተከታታይ በኋላ (ይዞ የሚገኝ), they all used Flash chips.
J2R110, J3R110, J2R150, J3R150, J3R180, J3R200 chips are available in EMV and SecID versions. የ EMV ስሪት በዋናነት የገንዘብ መስክ ላይ ውሏል; 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. አህነ, the J3R SecID series has obtained the CC EAL 6+ የምስክር ወረቀት. The RAM (ማለትም, trasient ማህደረ ትውስታ) 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.