electronic ibutton key dallas TM1990/DS1990/RW1990 ibutton key tag with black holder
TM card is similar to a button battery in shape and can be inlaid into a card, key button and other objects.
You can replace the data line, address line, control line and power line with a single line so that TM card achieves single line communication through a multi -function device.
According to whether the Memory in TM card is encrypted or not, TM card can be divided into encrypted TM card and non-encrypted TM card. Most of TM cards are non-encrypted.
Details of TM Card/Wristband
Band dia 65mm,stretchable
100% SGS approval silicone, eco-friendly
Can be customized based on the actual samples or your 3D drawing
8K bits RAM~64k bits RAM
Over 10 years
* Access control, Hotel, Smart community, Fire alarm control;
*Swimming pools,water patrol,field work is extremely humid environment.
* Closed-loop wrist strap structure,flexible,easy to wear,easy to use.
* Read time:350,000 times