Contactless ISO CR-80 13.56MHz high security smart card, with three separate data areas for the access control: SIO™, iCLASS™ and LEGIC™ PRIME 1024. Contactless HID® Prox™ (125 KHz) included. Backwards compatibility with iCLASS™ systems and migration from LEGIC PRIME™ 1024 guaranteed. iCLASS™ SE (SIO) memory with 32 Kbits (4 KBytes), in 2 applications areas (16Kbits per sector).