Green Card (Shenzhen) Co. Ltd

Model Number: 2.5G SIM cards for GSM network Brand Name: GRcard Key Specifications/Special Features: Data storage and subscriber identity authenticationPrimary telecom services for GSM networkBackup mechanism to secure data integrityClone-proofAccelerated access to phone book and short message book

Various STK value-added mobile applications

Updated by OTA download and supportive of RFM, RAM, and DSM

Supports:

• Short message broadcasting and management of super large phone book solutions specified by China mobile PPS and clock stop modes
• Full terminal compatibility
• Applicable to GSM network, in addition to the primary voice and data services, offers STK menu and supports various value-added applications, which can be updated by OTA download

Compliant to IS-820 Addendum, GSM11.11, GSM11.14, GSM 03.48, GSM 03.40

Support many UTK mobile value added application in the CDMA network

Compatible to both GSM and CDMA network

Support the OTA method of downloading updates of applications

Support expansion of STK services

Security verification algorithm:

• Support internal back-up mechanism so as to maintain data integrity
• User card EEPROM memory size is selectable at 32k, 64K
• Contains anti-cloning security protection

Main characteristics:

• Matching 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 require of safety management but also can satisfy all kinds of Customer’s requirements

Development standard: ISO/IEC 7816-3 (1997)Identification cardsIntegrated circuit cards with contacts

Part 3: electronic signals and transmission protocols