Main parameters Communication protocol: አይኤስኦ 14443 TypeA / አይኤስኦ 15693 የሥራ ድግግሞሽ: 13.56Mhz RF interface: SMA Antenna impedance: 50Ω Maximum support power: 4W Reference distance (ማክስ): 65cm Size: 500×600mm Feeder length: 2.5m Operating temperature: -25°C~+85°C Housing material: PVC