sell test sim card

详情

LQ test sim cards include GSM, CDMA (UIM), WCDMA (USIM), TD-SCDMA and EVDO, which apply to GSM, CDMA (UIM), WCDMA (USIM), TD-SCDMA and CDMA***0 networks. Definition: mobile-phone test card is a type of smart card belonging to SIM category, its definition relates to SIM. Test card initialization is same as SIM, but their personalization process are different each other. Implication range: mobile test card is mainly used to mobile phone functional test. Making use of test card to do imitative test is the most important for producing mobile phone. Classification: mobile-phone test card has two types of classification, one is category, and the other is capacity .The chip includes SIEMENS, PHILIPS, SAMSUNG, etc. The work of test card initializations: parameter set mainly includes open COS function, set card transmission confer, communication velocity, install transmission key etc. The work of test card prepare-personalization: establish card structure and write in some basic information. The content of card structure needs to be established. Besides a few files standard definite, the customers can also establish user-defined files. The work of test card personalization: write some fixed information in card. GSM test sim card product properties: 1. Data storage and subscriber identity authentication 2. Primary telecom services 3. Backup mechanism to secure data integrity 4. Supports of PPS and Clock Stop Mode 5. Clone-proof 6. Accelerated access to phone book and short message book 7. Various STK value-added mobile applications 8. Updated by OTA download and supportive of RFM, RAM and DSM 9. Supportive of short message broadcasting and management of super large phone book *0. Supportive of solutions specified by China Mobile *1. Full terminal compatibility