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Fast Delivery One Wire Smart Card RW1990 iButton Read Write Key for ID Copy

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Quick Details

Brand Name: STM
Printing: Laser Printing
Place of Origin: Guangdong China
Operating Range: 2.8V to 6.0V, -40°C to +85°C
Material: 304 Stainless Steel+chip+plastic
Model Number: rw1990 ibutton key
Read/Write: read and write
Protocol: one wire
Holder Color: black, blue,red, green, yellow, ..
Chip: RW1990A
Application: access control,fleet manage,driver id,lock
Weight: 4.7g
Chip Size: 16.25*5.89mm
Selling Units: Single item
Single package size: 1.63X1.63X0.6 cm
Single gross weight: 0.005 KG
Shenzhen Smart Way Technology Co., Ltd.
Gold Supplier
CN
Manufacturer
100%
Response Rate
95.8%
On-time delivery rate
US$ 20,000+
25
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Products Description
Fast Delivery One Wire Smart Card RW1990 iButton Read Write Key for ID Copy
DESCRIPTION:
CMOS microcircuit is essentially an electronic carrier of the unique 64-bit digital code. The code is stored in the internal nonvolatile memory. The data exchange is performed by the protocol 1-Wire, which requires one sole data pin and the common pin. The microcircuit supports the function of the protocol 1-Wire of ROM search, which makes it possible for several devices to operate on one bus. This protocol determines the alteration conditions of the bus status and the time intervals during synchronization by the synchropulses cuts of the control device. Data read-out and writing are performed by the junior significant bit forward.
TRANSACTION SEQUENCE Access sequence to RW-1990/2 via 1-Wire port is as follows: • Initialization • ROM function command • Data read-out
Model
RW1990 
Material
304 stainless steel + RW1990 chip with plastic holder
Ibutton Diameter
16.25*5.89mm
Holder Color
Black,red,bule ,green,yellow,or customized color
Weight
0.005kg/pcs(With holder) / 0.003kg/pcs(Ibutton card only)
Storage Capacity
Can copy ID 64 bit seial number
Read Time
More than 100,000 times
Feature
Waterproof, shakeproof ,heat-resistant,dust-resistant
Working Protocol
1-wire protocol
Package
100pcs/box,5000pcs/carton
Applications
Access control, Hotel, Smart community, Fire alarm control;
*Swimming pools,water patrol,field work is extremely humid environment.
IBUTTON SIZE WITH PLASTIC HOLDER
IBUTTON HOLDER COLOR
If you need the plastic holder,pls confirm with us!
IBUTTON ACCESSORIES
IBUTTON PACKAGE
IBUTTON CARD PRODUCTION PROCESS
IBUTTON CARD APPLICATIONS
We have many other Ibutton products,such as RW1990/TM1971/TM1991L,etc.
We also supply all kinds of Ibutton reader probe,copier as below
Company Profile
Certifications
Product Shipping
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