... barcode scanning, RFID read/write, wireless Communication, support 2 reader modules Size: 186.5(L)mm*75(W)mm*31(H ... mega pixelsExpansion Slots: SAM/SIM/Micro SD(TF) cardsOptional Function Modules: 1D barcode, 2D imager, RFID14443A, RFID15693, GPRS, GPS, WiFiAccessories: touch ...