Brand: SOA
Model: TM1990A-F5
Price: USD 0.25 / PCS
Min. Order: 1000 PCS
ibutton
Smart Card
TM card
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).