SLE4442 IC card already be upgraded to SLE5542 by infineon Contact IC card is the best choice for hotel management and loyalty with high security Features: 256 x 8-bit EEPROM organization 32 1-bit organization of protection memory Data retention for minimum of ten years In accordance with ISO standard 7816 (synchronous transmission) Applications: Access control, hotel locks, Staff Attendance and salary management, school campus Access/Payment control, identification/security system and parking lot (entry/payment) management Customization support: 4C offset printing, silk-screen printing, metallic background, silver background, embossing and encoding Can be embedded with RFID chip into hybrid card