3G WCDMA SIM Card for Telecom and Operator with Memory Size: 16K, 32K, 64K or 128K

Model Number: 3G WCDMA SIM Card for Telecom Brand Name: GRcard Key Specifications/Special Features: Main characteristics of SIM cardMatching the standards of GSM11.11, GSM11.12, GSM11.14, GSM11.17.Matching the standard of ISO7816.Modularization design that is convenient to realize new functions.Optimized file management system, which supports file access path selection.

STK data encrypt and checkout match the GSM03.48 standard absolutely.

Supporting the norm of the China Mobile OTA2, the little assistant of no agony, mass storage telephone book, group sending short message

Supporting inner backup mechanism to insure the data integrality.

Supporting T=0 transmission protocol, communication velocity supports 372/1 and 512/8.

Having the function that against inserting and pulling out of card when power on, and abnormal power off.

Supporting the algorithm of DES, 3DES, COMP128-1 and have protection against attacking mechanism.

Supporting the function of the circuitry encrypt and circuitry secrecy, preventing communication data against being stolen or juggled unlawful. And it can be used to check out the data integrality.

Agile individuation instructions not only insure the required of safety management but also can satisfy all kinds of customer’s requires of pluralistic STK functions.

Perfect safety function and safety strategy, passed EAL4+safe authentication.

Chip parameters

1. Grcard telecom IC card chip products are high performance IC used in smartcard. In the chip there are 8 bit micro processor, 48K byte program memorizer (MASK ROM), 256 byte internal RAM (SRAM), 1K byte outside RAM (SRAM), 32K byte data memorizer (EEPROM).

Main character of chip

1. CPU
   1. 8 bit CPU or 16bit CPU
   2. Memory size: 16K, 32K, 64K or 128K
2. EEPROM
   1. Single byte read ,write, and wipe
   2. Multi bytes storage(1byte to1page)
   3. Program clock come from vibrate clock that generated by chip itself
   4. At the normal temperature, can proceed at least 100,000 times erase and write operations.
   5. EEPROM data endurance more than ten years
   6. EEPROM program voltage generated in the chip
3. Serial I/O interfaces:
   1. Match ISO/IEC-7816
   2. Asynchronous half duplex transmission protocol
   3. Two kinds of transmission velocity (372/1 and 512/8)
4. Optional randomizer: 8-bit randomizer
5. Power on reset: internal power on reset mechanism
6. Low power work mode
   1. Sleep mode
   2. Clock stop mode
7. Safety mechanism: Abnormal voltage/frequency detection function, DPA/SPS attacking immunity
8. Work temperatures: -25°C to +70°C