model: 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 S70 4K (4 bait nombor ID) jarak membaca: 5cm Interface: UART TTL Data transfer rate: max.10Mbit/s Card reading speed: membaca nombor ID 7 kali sesaat, membaca blok data 3 kali sesaat …