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SLE4428 SLE5528 FM4428 Contact Smart Card:

More card chip models:
Factory | Model number | Specification |
| SILMENS | SLE5542(4442) | 256bit encryption card,can read data,write data and password,protect data and write password. |
| ISO 7816 Compliant pad locations | ||
| 256*8 bit EEPROM organization | ||
| byte-wise addressing | ||
| Irreversible byte-wise write protection of lowest 32 addresses (byte 0-31) | ||
| 32*1 bit organization of protection memory | ||
| 2-wire link protocol | ||
| Answer to reset according to ISO standard 7816-3 | ||
| Programming time 2.5mS per byte for both erasing and writing | ||
| Minimum of 10000 write/erase cycles | ||
| Data retention > 10 years | ||
| Programmable Security Code (PSC) | ||
| Data write only after correct 3-byte PSC | ||
| SLE5528(4428) | ISO 7816 Compliant pad locations | |
| 1024*8 bit EEPROM organization | ||
| byte-wise addressing | ||
| Irreversible byte-wise write protection of lowest 32 addresses (byte 0-31) | ||
| 32*1 bit organization of protection memory | ||
| 2-wire link protocol | ||
| Answer to reset according to ISO standard 7816-3 | ||
| Programming time 2.5mS per byte for both erasing and writing | ||
| Minimum of 10000 write/erase cycles | ||
| Data retention > 10 years | ||
| Programmable Security Code (PSC) | ||
| Data write only after correct 3-byte PSC | ||
| Shanghai Fudan | FM4442 | 256bit encryption card,can read data,write data and password,protect data and write password.(compatible SLE4442) |
| FM4428 | 1024bit encryption card,can read data,write data and password,protect data and password operation.(compatible SLE4428) | |
| ISSI | ISSI4442 | 256bit |
| ISSI4428 | 8Kbit | |
| ATMEL | AT24C01 | 1Kbit(stop production) |
| AT24C02 | 2Kbit | |
| AT24C04 | 4Kbit | |
| AT24C16 | 16Kbit | |
| AT88SC102 | 1Kbit |





0.76mm PVC Card: 250pcs/inner box, 5000pcs/CTN
0.86mm Contactless Card: 200pcs/inner box, 5000pcs/CTN
0.81mm Contact Card: 200pcs/inner box, 5000pcs/CTN
0.90mm Proximity ID Card: 200pcs/inner box, 5000pcs/CTN

Shenzhen DC Technology Co.,Ltd is a manufacturer of smart card, plastic card & card printer with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in school, traffic, government and other industries etc.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!


Q1. How to get faster feedback from us?
1. Please describe the matter in short in the email subject and add "!".
2. Please add our sales skype or whatsapp from email signature to communicate directly.
Q2. Need a sample?
1. Samples without printing is free.
2. If you need printed samples with sophisticated printing, $50-$100 is required.
3. All the freight cost will be charged.
PS: The sample delivery time is about 1-5 days.
Q3. What chip should I use?
We have LF, HF and UHF chips with various EEPROM and reading distance. If you are not sure, please
inform our sales with project details.
Q4. What file of printing image should I offer to you?
AI, PDF, Corel Draw, Photoshop, format are supported.
Q5. What about QC?
We have QC machine check by item basis. Also our QC staff do random check on final lot.
Q6. Payment terms?
We accept T/T, Western Union or PayPal.
PS: We only accept the full payment before deliver your order.
Q7. Lead time?
Quantity below 100,000pcs normally 5-8 working days. If urgent we can prioritize.
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