... scanning, RFID read/write, wireless Communication, support 2 reader modules Size: 186.5(L)mm*75(W)mm*31(H ... Frequency: HF13.56MHzProtocol Standard: ISO14443A, 15693Read-Write Range: 2cm-10cmBarcode reader: (1D barcode)Symbol SE955, (2D imager) Symbol SE4500WLAN: ... mega pixelsExpansion Slots: SAM/SIM/Micro SD(TF) cardsOptional Function Modules: 1D barcode, 2D imager, RFID14443A, RFID15693, GPRS, GPS, ...