Contact ic card -chip:Sle5548/Sle5542 -card size:credit card size -options:magnetic,numbering,sigunature, embossing,barcode Contact ic card-SLE5528 Card The SLE5528 Card is upgraded version of ... security area, use as hotel key card, pre-payment etc. SLE5528 is original from Infneon. About IC:-Intelligent 1K-Byte EEPROM-Write Protection function ...