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RFID Readable And Rewritable Key Card IButton

> Material: ABS+Stainless steel

> Size: Diameter 16.25*5.89mm

> Thickness: 5.89mm

> Chip avaible: RW1990 / TM1990A-F5

> Function: Read and write (RW1990); Only read (TM1990)


  • Brand:

    S4A
  • Item NO.:

    RW1990
  • Specifications
  • Wiring Diagram
  • Package

Readable and Writable Dallas iButton RW1990 Tag

Model No.: RW1990, TM1990A-F5

Material

ABS+Stainless steel

Size

Diameter 16.25mm*5.89mm

Thickness

5.89mm

Chip avaible

RW1990 / TM1990A-F5

Function

Read and write (RW1990); Only read (TM1990)

Crafts

Engrave number or texts

Read time

350,000 times

Memory

64 bit

Package

100pcs/box, 5000pcs/carton, 25kg/carton

Feature of iButton Key Touch Memory

Can Be Read in Less Than 5ms

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

Application

Access Control, Inventory Control, Tool Management, Work-in-Progress Tracking

Life Time

10years

This application note is a broad introduction to the iButton® device. It discusses iButton basics: what it is, how it is constructed, and some of its applications. It explains how a system can communicate with the iButton device through its 1-Wire® interface. The note also describes types of iButton devices, iButton device durability, its guaranteed unique 64-bit serial number, and available iButton accessories.

RW1990 Tag

RW1990 Tag

RFID Readable And Rewritable  Key Card  IButton RW1990 Tag

Model No.

Quantity/Carton

Net Weight

Gross Weight

Carton Size

RW1990

5000 PCS

18.9 KG

23.8 KG

22x44x46cm

RW1990 Tag

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