J2R10|J3R110|J2R150|J3R150|J3R180 is the JCOP4 series JAVA card is another peak work after the J2A, J3A, J3D, J3H series. In order to ensure high security and high performance, the data storage capacity is increased, With the Flash chip, the chip’s computing speed is faster and more stable. Before the J3H series JAVA (inclusive), all used EEPROM chips, and after the J3R …