GeZhi Electronic Co.Ltd.

GeZhi Electronic Co.Ltd.

Products Category
Contact Us

Name: Michael
Tel: +86-13113330725
Fax: +86-13113330725
Mobile: +86-13113330725
Add: JinKe industry DaShi PanYu District GuangZhou City China
Skype: gezhitech007
QQ: 1074079485
MSN: SKYPE: gezhitech007 QQ: 1074079485

SLE4428 card(20pcs)

SLE4428 card(20pcs)
Product name : SLE4428 card(20pcs)
Item : SLE4428-card
Price : 18
Details :

SLE4428 card(20pcs)

Price: $18 US Dollar for 20PCS





The SLE4428 is a standard, low-cost EEPROM memory smartcard with 1K bytes of available storage, with an irreversible write protection feature and a 2-byte programmable security code. Additionally to the above functions this version has a PSC verification logic. All the memory, except for the PSC, can always be read. The memory can be written or erased only after PSC verification. The error counter can always be written. After eight successive incorrect entries the error counter will block any subsequent attempt at PSC verification and hence any possibility to write and erase.


Features :

 Product ID : SLE4428

 Color : White

 Dimension 85 x 54 x 0.76 mm

 1024 x 8 bit EEPROM organization

 Byte-wise addressing

 Irreversible byte-wise write protection

 Serial three-wire bus

 End of programming indicated on data output

 erase cycles more than 100,000 times

 Each write / erase time 5MS

 Data retention for minimum of ten years

 Contact configuration and serial interface in accordance to

 Temperature -20 to 80c
 ISO standard 7816 (synchronous transmission)
 Additional Feature of SLE 4428 Smart Card :
   1)Data can only be changed after entry of the correct
   2)2-byte programmable security code (PSC) 




Applications :  

 Widely used in member system, Medicare card, Electronic lock, Prepaid water meter and Ammeter, Campus one-card system

Package List


SLE4428 card x 20


About Shipping


We will dispatch the items when received the payment.

Shipping time and cost(for reference only):
USD8    for   China post air mail:               20 business days or more     
USD28  for   DHL or EMS:                        about 5 bussiness days                     

Express company need the following information to delivery a parcel:

Phone number:
Post code:


Payment Method Accepted

We accept Paypal, WireTransfer and Wester Union payment.
Please contact us for payment.

  Contract us 

E-mail: or
Phone: +86-013113330725


Return & Replacement Terms & Conditions

Buyer can return the item in the original package within 7 days upon receiving if you are not happy with it. We will refund you or send replacement to you within 3 working day after the item is received. 

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