The HID iCLASS Seos Card provides 13.56MHz read/write contactless technology with 8k bytes of memory. With Seos technology, your data and privacy are protected with top-of-the-line cryptography, making it the safest option for credential technology. During card sessions, there is no traceable identifier exchanged, ensuring that data associated with a particular card remains private and unclonable.Compact and convenient design8k bytes memory sizeMade of composite PVC/PET materialPlease note that these cards are programmed to PSGGANN options and H10301 format with Security Identity Object (SIO).Minimum order quantity is 100, with no minimum order quantity after that.Features:13.56MHz read/write contactless technologySeos technology for unrivalled data protectionNo traceable identifier exchanged during card sessions