... operation system RS232,USB, GPRS, WIFI, Bluetooth communication optional 128M memory built in Feature:Win. CE 5.0 operation systemRS232, ... USB, GPRS, WIFI, Bluetooth communication optional128M+128M memory built in, support Mini SD card up to 2GBEasy secondary ... CE 5.0(Multi-Language). CPU400 MHzMemory128M RAM/128M ROM, support expand memory via SD slotDisplay3.5 inches QVGA (240× ...