qauv: DS-A04 Operating frequency: 134.2KHz Support protocol: NTXIAS 11784, NTXIAS 11785, FDX-B Support the chip: EM4305, Hitag S256, T5577, lwm yam. Kev Sib Txuas Lus: RS232, RS485, Wiegand 26 Card-reading distance: 45cm~55cm (diameter 30mm RFID ear tag) Operating voltage: 12V~15V Operating current: <200mA Operating temperature: -10℃~+50℃ Storage temperature: -30℃~+70℃ Size: 260×260×35mm Color: black Notice: JavaScript yuav tsum tau rau cov ntsiab lus no.