electronic ibutton key dallas TM1990/DS1990/RW1990 ibutton key tag with black holder
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electronic ibutton key dallas TM1990/DS1990/RW1990 ibutton key tag with black holder

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Product Description


electronic ibutton key dallas TM1990/DS1990/RW1990 ibutton key tag with black holder


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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


Wristband

Size

Band dia 65mm,stretchable

TM Key

Size

Handle L40mm*W15mm

Ibutton

Size

Dia17mm*6mm

Material

100% SGS approval silicone, eco-friendly

OEM

Can be customized based on the actual samples or your 3D drawing

Capacity

8K bits RAM~64k bits RAM

Temperature

-40℃~+85℃

Life Time

Over 10 years

Applications

* Access control, Hotel, Smart community, Fire alarm control;

*Swimming pools,water patrol,field work is extremely humid environment.

Features

* Closed-loop wrist strap structure,flexible,easy to wear,easy to use.

* Read time:350,000 times


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