TM button card of different memory. DS1990,DS1991,DS1996,DS1994, OEM logo can be laser cutted. Different colors available.

TM button card 

1.        Dallas TM1990 card, adapt original Dallas Chip, Sealed by stainless steel. Completely compatible with 1990A-F5.

2.       Working Tempreture: -40 C to +80C

3.       Reading speed:<5Msdepends on reset puls

4.       Water Test:over 10 minutes in boiling water, still work well.

5.       Hardness Test.  Deformation with 1.5mm-1mm, work well.

6.       Can be with logo.

7.       Plastic handle or plastic chain belt of different color available.

TM cards, iButton card, Dallas 90/91/94/95/96 card, security card