ibutton card, Dallas 1990/1991 card,TM cards

TM cards Dallas 1990/1991 Dallas TM1990 card, adapts original Dallas chip, sealed by stainless steel completely Compatible with 1990A-F5 Working temperature: -40 to +80&#176;C Reading speed: <5m/s, depends on reset pulse Passes both hardness and water tests (water: over 10 minutes in boiling water, still works well) Customizable logos welcome Plastic handles or plastic chain belts of different colors available _{All brands and trademarks shown here are only for references}