Ibutton TM1990A-F5 Compatible DS1990A-F5

     ibutton TM1990A-F5  introduced

Material: su304-0.3 stainless steel
Spec: 17.35mm (diameter) x 6.00mm (H)
Operating Temperature: -40 ° C to +85 ° C
Applications: used in access control, access control systems; biological tracking identification system; warehousing and logistics systems; security patrol system; Hotel, district card system; identification system; electronic purse system; prepaid intelligent water meter and other industries.
         
     Read-only card of TM1990A-F5,  compatible ds1990a.

Su304-0.3 stainless steel package, durable, never rust, corrosion; resistance to heat; resistant variants; tightness.

The absolute source material is a high temperature resin, excellent sealing performance, anti-aging, resistance to heat; internal support spring pieces, made ??of stainless steel manufacturing, resistant variants.

100% of the high and low temperature and watertight, vibration, and electrical characteristics of the test; surface clean and smooth; internal chip COB technology manufacture of high-quality gold-plated plate and high integration.