[COMPATIBILITY] smartelf jcop chip cards is compatible with the functions of j2a040, and its space is larger than j2a040. Its EEPROM space is 80K. The card GP version is v2.1.1 and JAVA version is v2.2.2. The GP version and Java version are exactly the same as j2a040.[INSTRUCTIONS FOR USE] The initialization script instructions of the compatible card are different from those of j2a040. If you want to reinitialize the compatible card, remember to tell us that we will provide the initialization script of the compatible card for your reference. Remember not to test directly with the initialization script of j2a040.[HICO MAGNETIC STRIP]The stronger magnetic field makes our java chip cards more durable. The data encoded on the stripes are less likely to be erased when exposed to an outside magnetic field. The chip CPU JAVA-based card is highly reliable, so it is widely used in Medical, Health Management, Social security card,VIP Card,Membership card, ID-identity recognition,etc.[WORKS WITH ALL STANDARD PRINTERS]: Our cards are suitable for all all standard ID card printers, including DC150i and Fargo HDP5000 Zebra P330i. (Please Note: Not for use with inkjet printers)[UNFUSED CARDS] These cards with default ATR. It were unfused and initialized to t = 1 by default. If you have no other requirements, you can use it directly. (Not for EMV and ATM use)