1)Andriod,wifi,bluetooth 2)barocde scanner,gprs,rfid,gps,camera 3)3500mah battery 4)SDK,soucecode free ... 2Qualcomm,ARM11,800MHZMemoryFlash MemeoyExpansionMemory512MB SDRAM 512MB MB FLASH,Expandable 32G (Micro SD)DisplayType sizeTFT WVGA color; Mulit- touch screen3.8inch ... input information2. Built-in HF RFID Reader (Optional UHF Reader)Optional UHF reader3.Memory Card Slot( Micro-SD card ,up to 32G ...