Main technical parameters Working frequency: 134.2KHz Conform to the standard: ISO11784/ISO11785 (FDX or HDX) HDX chip: SIC7999 or other HDX chip Reading distance: 5-60cm (related to the configuration of reading and writing equipment) Khoom siv: TPU Color: ntsuab, daj, can be customized Size: female head 30×15mm, male head 28×23mm Weight: 8.5g Packaging process: secondary injection molding Working temperature: -25℃ ~ + 70 ℃