2g 3g 4g Gsm Mobile Phone Sim Cards - China

SIM card is One consistent with GSM specifications ' smart card' , It is

actually a chip card that contains the microprocessor, internal five

modules, and each module corresponds to a function: CPU ( 8- bit) , the

program memory ROMR ( 3 ~ 8 kb) , working memory RAM ( 6 ~ 16 kb) , data

memory EEPROM ( 128 ~ 256 kb) and serial communication unit.

SIM card

can achieve storage data ( phone book, SMS, etc.

) and in safe

conditions ( personal identification number PIN, the authentication key

Ki correct) completion of customer identity authentication and

encryption algorithms customer information process.

These functions are

microprocessor having aSIM card from the operating system is complete.

SIM card by the integrated circuit module and the plastic card body mass composition, in line with ISO7816 series of standards

SIM card chip embedded in the circuit board top, and then packaged into the card body inside

The card body material: ABS, PET/ PVC

SIM card can be classified by size: ID- 1 cards and Plug- in Card .

GSM SIM Card

1 - blank sim card

2 - prepaid sim card

3 - phone sim card

4 - applicable to GSM WCDMA , LTE network

5 - Plug - in size : 2FF( mini) , 3FF( Micro ) , 4FF( Nano)

6 - 6 pin or 8 pin available

Standards Applied

ISO 7816

GSM 11.11

GSM 11.12

GSM 11.14

GSM 03.48

OTA1/ 2/ 3 Specification ( specified by China Mobile)

Other Specifications by carriers

Security and Authentication Algorithms Applied

COMP128- 1/ 2/ 3

DES/ 3DES

Capacity

16K 32K 64K 128K 256K

Product Properties

· Data storage and subscriber identity authentication

· Primary telecom services for GSM network

· Backup mechanism to secure data integrity

· Supportive of PPS and Clock Stop Mode

· Clone- proof

· Accelerated 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

· Supportive of short message broadcasting and management of super large phone book

· Supportive of solutions specified by China Mobile

· Full terminal compatibility

Company Contact:

• Posted By: Shenzhen Amnor Electronic CO.,LTD

• Phone: 8613537525894

• Address: #35 Hangcheng Road, Gushu,Bao'an , Shenzhen , China

• Email:

• Business Description: Shenzhen Amnor Electronic Co., LTD is a experienced fitness tracker and smart watch wholesaler and retailer with best price and high quality .