QR Code Access Control Converter: YB1342 Frequency: 125KHz/134.2KHz Support protocol standards: ISO 11784/ISO 11785,FDX-B RF Chips: TK4001, PHA Bioplastics Khoom siv RFID Chip Card, SIB 4102, PHA Bioplastics Khoom siv RFID Chip Card, EM4005, PHA Bioplastics Khoom siv RFID Chip Card, HitagS256 and other low-frequency chips can be binding customization Material: copper wire Specifications: Customized Notice: JavaScript yuav tsum muaj rau cov ntsiab lus no.