SIM/USIM/ISIM card capable of reprogramming authentication information.
Standard-compliant GSM SIM + UMTS USIM + IMS/VoLTE ISIM card. It is intended for use in sysmoNITB / Osmocom-based cellular networks, but can also be used in any core network including GSM (2G), UMTS (3G), LTE (4G), and even 5G. It supports cutting into three sizes of SIM cards: Classic SIM (2FF), Micro SIM (3FF), and Nano SIM (4FF). A key feature is the ability to reprogram (rewrite) authentication information (IMSI, K, OPC, etc.), allowing users to create and edit files and directories (EF or DF) within the card file system. Purchasing a card with ADM keys (with ADM keys / no ADM keys) is required for reprogramming. SIM cards with ADM keys also allow for the installation of Java applets.
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basic information
【Products】 sysmoISIM-SJA2 SIM + USIM + ISIM Card (Set of 10 cards) The sysmoISIM-SJA2 is a standards-compliant GSM SIM + UMTS USIM + IMS/VoLTE ISIM card. It has a triple-cut form factor, fitting 2FF (classic SIM), 3FF (micro SIM), and 4FF (nano SIM). Default provisioning: 901-70 MCC-MNC (with ADM keys) * Reprogramming requires the purchase of ADM keys.
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Applications/Examples of results
Research and development of mobile phones, operators of private cellular networks, etc.
Line up（1）
| Model number | overview |
|---|---|
| sysmoISIM-SJA2 SIM + USIM + ISIM Card | Set of 10 cards |
Company information
Tegara Corporation is forming a research and development platform that integrates specialized product procurement and sales, information provision, and support services for researchers and developers nationwide. In the field of research and development, where speed holds value, it is Tegara's mission to assist our customers in accelerating their research and development efforts, thereby contributing to the advancement of research and development in Japan and around the world. To remain a strong partner for researchers and developers, our company continuously hones new technologies and strengthens our support system every day.