We manufacture both blank card, and pre-printed card.
Atmel T5577 (update version which downward compatible with T5557, T5567). This 125KHz read/write RFID from Atmel is very mature and widely used technology. The cards have 363-bit EEPROM (11 blocks, 32bits each+1 lock bit).
The Atmel T5577 proximity card is great solution for hotel key lock, access control, time attendance system.
About Atmel T5557 IC :
IC manufacturer : Atmel
Wafer die : Atmel T5577
Function : Read / Write protect by password
Memory : 363-bit EEPROM (32bits each+1 lock bit)
Frequency : 125KHz
RF protocol : N/A
Modulation : FSK, PSK, Manchester, Biphase, NRZ
Key Feature of T5577 Card : Dimensions : CR80 85.60 x 53.98mm
Thickness : 0.84mm
Material : PVC, PET
Card Surface : Matte / gloss finish
Housing : Lamination
Working Frequency : 125KHz
Reading Distance : 3 - 10 cm typically
Data storage time : 10 years
Printing options
Full color offset printing
Silk-screen printing
Silver/Gold silk-screen printing background
Personalization
Options for standard card
Magnetic stripe: 300oe, 2750oe, 4000oe
Numbering
Barcode printing
Signature panel
Embossing
Encoding (according agreement)
Application
Access Control
Hotel key Lock
Time Attendance System