... ,WPA2...many kinds of encryption modes. 3. RS232 Serial port x 1 , can connect RS232 peripherals. Internal ... CPU, 256M bytes DDR2 400, 128M bytes Nand Flash, Embedded Linux operating firmware Size Width: 240 mm, ... via speaker port USB Flash Memory Port USB2.0 x 3, To support USB memory devices-requires Windows OS ... the number of processor cores, the amount of memory, the type of hard drive on the host ...