Kāleka Helu Kākau ʻAʻohe ID: SM522T Working current: 13~26mA/DC 3.3V Idle current: 10-13mA/DC 3.3V Peak current: <30mA Working frequency: 13.56MHz Protocol standard: Makemake wau i kāu huahana EM4233 Chip Card 14443 TypeA Support card: Mifare 1K S50, Mifare 4K S70 (4 bytes ID number) Heluhelu i ka mamao: 5cm Interface: UART TTL Data transfer rate: max.10Mbit/s Card reading speed: read ID number 7 times per second, read data block 3 times per second …