1. it never rust and corrosion; must source materials, high temperature resistant resin, sealing performance, anti-aging, resistance to heat;
internal support spring piece, stainless steel manufacturing, anti-variant; high and low temperature and 100% watertight, vibration and electrical characteristics testing;
surface smooth, flat; internal core with high-quality gold-plated panels and COB technology to produce highly integrated;
2.TM card is widely used in security patrol, sauna cabinet door locks, electronic locks, access control intercom systems.
3.It doesn't need extra power,just need the collector supply power
4.It Can Be Read in Less Than 5ms
5.TM1990A-F5 cards with a new 2401 chip package, the only 64-bit serial number, family code 01, used worldwide without any restrictions.
6.Operating Range: 2.8V to 6.0V, -40 ~ 85 degrees.
7.Dimension:16 x 56mm
100pcs DS1990A-F5 Ibutton (black color)