POS machine with PSTN,TCP/IP, WIFI 1.32-bit CPU, ARM9, 400MHz ,160MB memory 2 ... applicationsMultiple choices of integrated communication modules, such as PSTN, TCP/IP and Wi-FiSupports complete version SSL(Security Socket Layer)USB ... with ISO7816; Supports PPS protocolContactless Card Reader (Optional)Supports Mifare classic, Mifare Ultralight, Mifare DESFire, ISO 14443 A & B, SONY ...