자료: 스테인레스 스틸 또는 부드러운 실리콘 (손 쇠사슬) 칩: 미국 DALLAS 암호화, DS1990A-F5 포함, TM1990A-F5와 완벽하게 호환, i1990A. 평균 고장: 정상적인 사용 1/100,000 times Manufacturer’s serial number: only global 64bit number System logic: 64bit password protection Storage: 8k bits RAM Card read: touch type Read and write features: can read write and encrypted R/W times: > 1.5 억 배 …
칩 모델: TM DS1990A-F5 Specification: 16.25×17.35mm Weight: 2.2g Material: Stainless steel Operating temperature: -40℃ ~ + 85 ℃
칩 모델: TM DS1990A-F5 Shell material: ABS Shell size: 49×30mm Weight: 11.2 grams Environmental indicators: -30℃ ~ + 80 ℃
칩 모델: TM DS1990A-F5 Specification: 35× 35mm, customizable Material: 가죽 + stainless steel Weight: 12g Operating temperature: -40℃ ~ + 85 ℃