Modail: SM522T Working current: 13~26mA/DC 3.3V Idle current: 10-13mA/DC 3.3V Peak current: <30mA Working frequency: 13.56MHz Protocol standard: ISO 14443 TypeA Support card: Mifare 1K S50, Mifare 4K S70 (4 bytes àireamh ID) Leugh astar: 5cm Interface: UART TTL Data transfer rate: max.10Mbit/s Card reading speed: leugh àireamh ID 7 uair san diog, leugh bloc dàta 3 uair san diog …