... ARM9TDMI CPU & STC12LE5412 8Bit CPU,400 MHZ main frequencyMemoryStandard 64MB FLASH, 64MB SDRAM. can be extended to 128MB,256MB FLASH/SDRAM, ... 1 RS232 /Pin pad port ,1 Ethernet port 1 USB HOST,1 USB DEVICE and 1 PINPAD portMagnetic Stripe ReaderTrack 1/2 ... .UpdateRs232 from Pc, Copy form another pos, remote download, USB download, U disk downloadSize 215*188*80mmWeightCertificationsChina Union Pay pos ...