... , ARM9 , 200MHz, 128MB FLASH 3.Linux operation system Key Features:Elegant and slim design, convenient swiping card ... FeliCaInternal PIN PadSupports MK/SK, Fixed, DUKPT; Supports dual and triple length TDES; Supports RSAProgrammableSupports secondary developmentLanguageSupports Chinese ... roll outside diameter: 50mm Adjustable print gray, supports dual-layer paper, black label detection and smart paper ...