Magnetic Dallas 1990A-F5 IButton with Iron ring
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Magnetic Dallas 1990A-F5 IButton with Iron ring

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Product Description
Magnetic Dallas 1990A-F5 IButton with Iron ring


Magnetic ibutton keys Rewritable ibutton RW1990 TM ibutton Card



Product Description

Overview of  Magnetic RW1990/TM1990 card  


 

Toptag TM Card Lock adopts U.S. DALLAS company patented technology In formation Button (information button, also known as iButton) as a key. Contact with the lock with a light touch, the lock can be unlocked; Convenient operation and RF card operation; Easy to use, reliable, Cost efficient with contactless IC card, and free of electromagnetic radiation.



Specification of magnetic touch memory ibutton DS1990/ RW1990  
Material stainless steel+ ABS holder
Size 16.25*5.89mm
N.W. 5g/pc
Chip

DS1990/TM1990- read only

RW1990-programmable

Application Most used for Access control for high class office building, apartments, community etc

Magnetic Dallas 1990A-F5 IButton with Iron ring  


Features

  • Can Be Read in Less Than 5ms

  • Operating Range: 2.8V to 6.0V, -40°C to +85°C

Applications

  • Access Control

  • Work-In-Progress

  • Tracking Tool Management

  • Inventory Control


Common iButton Features

  • Unique Factory-Lasered 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts are Alike

  • Built-In Multidrop Controller for 1-Wire Net

  • Digital Identification by Momentary Contact

  • Data Can Be Accessed While Affixed to Object

  • Economically Communicates to Bus Master with a Single Digital Signal at 16.3kbps

  • Button Shape is Self-Aligning with Cup-Shaped Probes

  • Durable Stainless-Steel Case Engraved with Registration Number Withstands Harsh Environments

  • Easily Affixed with Self-Stick Adhesive Backing, Latched by its Flange, or Locked with a Ring Pressed Onto its Rim Serial Number iButton

Pictures of products


Magnetic Dallas 1990A-F5 IButton with Iron ring  


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