material: Stainless Steel or Soft Silicone (hand catenary) xip: American DALLAS encryption, including DS1990A-F5, fully compatible with TM1990A-F5, i1990A. Average failure: normal use 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 billion times …
Model de xip: Especificació TM DS1990A-F5: 16.25× 17,35 mm Pes: 2.2g Material: Acer inoxidable Temperatura de funcionament: -40℃ ~ + 85 ℃
Model de xip: TM DS1990A-F5 Material de la carcassa: Mida de la carcassa ABS: 49× 30 mm de pes: 11.2 grams Indicadors ambientals: -30℃ ~ + 80 ℃
Model de xip: Especificació TM DS1990A-F5: 3535 mm ×, customizable Material: cuir + stainless steel Weight: 12g Operating temperature: -40℃ ~ + 85 ℃