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 ... 32-bit CPU, ARM9, 400MHz Memory128MB FLASH, 32MB SDRAMDisplay128×64 pixel LCD, white LED backlight and specific icon Keypad4 ATM keys ...