TM卡,信息鈕 型號: TM1990A-F5 尺寸: 直徑16.25*5.89MM 功能:防水,防振,防腐蝕.:外殼采 用304不銹鋼,永不生銹, 內部采用原裝晶圓芯片,全球唯一64位序列號,家族碼01,全球通用不受任何使用限制。 工作溫度: -40~85度 Smart Card (TM card, Information Button, Touch Memory) Type: TM1990A-F5 Dimension: diameter 16.25MM, high 5.9MM Function: anti-water, anti-shake, anti-rust; the shell is made by 304 stainless steel, never rust; the chip is made by new TM1990A wafer, unique 64bit serial number of the world. Full compatible with ds1990A(R).