QR Code Access Control Converter: R58CB/R58DB Working frequency band: 125KHz/13.56Mhz Reader type: Low frequency: SIB 4102, PHA Bioplastics Khoom siv RFID Chip Card, PHA Bioplastics Khoom siv RFID Chip Card, PHA Bioplastics Khoom siv RFID Chip Card, TK4101 High frequency: Mifare 1K S50, Mifare 4K S70, Ntag 203, Ntag213 Communication method: Bluetooth 3.0 Data Format: Default 8 hexadecimal (customizable format, such as: 10 decimal/10 hexadecimal, lwm yam.) Nyeem ntawv nrug: 0~ 6 cm (effective reading distance is related to card) Card reading rate: 106K/Bit Card reading speed: 0.2S …