model: DS-A04 Operating frequency: 134.2KHz Support protocol: ISO 11784, ISO 11785, FDX-B Support the chip: EM4305, Hitag S256, T5577, etc. Communication interface: RS232, RS485, Wiegand 26 Kaadị-agụ anya: 45cm ~ 55cm (dayameta 30mm RFID ntị mkpado) operating voltaji: 12V~15V Operating current: <200mA Operating temperature: -10℃~+50℃ Storage temperature: -30℃~+70℃ Size: 260×260×35mm Color: black