1)Andriod,wifi,bluetooth 2)barocde scanner,gprs,rfid,gps,camera 3)SDK,soucecode free SPECSDescriptionOSCPU Android2.2Qualcomm,ARM11, ... drop onto concreteIP65--Integrate Barcode Scanner , with 3G Communication --RFID Reader (rfid reading area is at back of device --5MP Camera + flashlight ... 32G) -- wifi,Bluetooth, GPS function android barcode reader with gps rfid wifi/3g (IP65)