... ,software configurableCommunicationInterfaceStandard RS232 ,RS485,RJ45Output PortGPIO outputReading RangeDepends on antenna gain,connect 12dBi antenna, the reading distance,above 8 mLED IndicationLED 1-LED7 ... -Four antenna ,TNC ConnectorPower SupplyDC+9V(Supply AC/DC power adapter)Size160mmx186mmx50mmWeight2KGOperating Temp-20°C~+80°CWe also have two-channels antenna UHF RFID ...