... 2.1 certified, which is the highest secure standard for PIN security. It adopts MK/SK key management solution and TDES ... all these advanced technical features, it can provide a secure PIN entry service for all kinds of application. Feature: PCI 2 ... for abnormally open,ISO9564, IBM3624, ANSI X9.8, ANSI X9.9, ANSI X9.19SRAM128K in total, 64K for storageDisplay2X12 English character ...