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Technological cards

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SLE5542 Contact Cards

SLE5542 Contact Chip Cards

SLE552 cards are the type of chip cards most used in the sector, especially with regard to security. Also widely used in hotels and prepaid systems. The chip is original INFINEON.

They are free memory cards so with the exception of some memory areas they can be read without protection. Their writing is protected by a 3 byte PIN which after three incorrect access attempts burns the PIN memory.

SLE5542 memory cards are perfectly compliant with ISO / IEC 7816.