Contact Card: Siemens chip:SLE5542 or ISSI4442 or FM4442 256-Byte EEPROM,Write Protect ... edgeA+ quality lamination(glossy&matte&frosted)Chip Features:Serial:Siemens/Infineon SLE,Contact IC Chip,RFIDChip option:Siemens SLE5542,FM4442,ISSI4442, ... FM4428/FM24C02/FM24C08/FM24C16/FM24C64ISSI4442/ISSI4428/ISSI24C02/ISSI24C16/ISSI24C64/ISSI1604AT24C01A/02/04/08/14/64/128/256/512/1024/93C36AT88SC/102 ...