IBT | iButtons, DS1990A-F5 compatible Dallas for door locking | In Stock
Below are the available bulk discount rates for each individual item when you purchase a certain amount
- Buy 1000 - 4999 and get 10% off
- Buy 5000 or above and get 20% off
1990A-F5, 1991L-F5 Serial Number iButton is a rugged data carrier that acts as an electronic registration number for automatic identification. We provide Ibuttons, keyfobs, wristband for different use style.
* Upgrade of DS1990 allows multiple Serial
* Number iButtons to reside on a common bus
* Unique 48–bit serial number
* Low-cost electronic key for access control
* 8-bit CRC for checking data integrity
* Can be read in less than 5 ms
* Operating temperature range of -40C to +85C?
Ibutton Size: dia17mm × 6mm, Weight: 3g
Access control / Guard Tour system / security patrol / sauna door locks / electronic door locks