Compatible Sle5542/ISSI4442 Contact IC Card For Membership
Small Chip ISSI4442/SLE4442 IC Card is fully compatible Sle5542 chip card, they are both has three security mechanisms, user password, unique code, writable. If the password is incorrect, the data won't be written and the written data won't be changed once it is written (solidified). It is a unique code as the system used.