Material: Rostfritt stål eller mjukt silikon (handen kontaktledning) Chip: American DALLAS kryptering, inklusive DS1990A-F5, fullt kompatibel med TM1990A-F5, i1990A. genomsnittlig misslyckande: normal användning 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 miljard gånger …
chip modell: TM DS1990A-F5 Specification: 16.25×17.35mm Weight: 2.2g Material: Stainless steel Operating temperature: -40℃ ~ + 85 ℃
chip modell: TM DS1990A-F5 Shell material: ABS Shell size: 49×30mm Weight: 11.2 grams Environmental indicators: -30℃ ~ + 80 ℃
chip modell: TM DS1990A-F5 Specification: 35× 35 mm, customizable Material: läder- + stainless steel Weight: 12g Operating temperature: -40℃ ~ + 85 ℃