Everything you wanted to know about the Integrated SIM – FAQs by Sony Semiconductor IL & G+D
Our all-in-one iSIM technology breakthrough allows IoT device vendors to offer smaller and more power-efficient solutions to drive
the predicted exponential growth in the IoT market.
NB-IoT & CAT-M.
In addition, 2G is available in specific modules.
G+D’s leading SIM software runs on an isolated hardware secure element integrated inside the Altair chip & adheres to G+D’s strict security assessment standards.
Yes, it can support Multi IMSI application.
The integrated SIM is already acknowledged and approved by multiple global Tier-1 MNOs and MVNOs, including publicly announced AT&T,
LGU+ and more. The onboarding of additional Tier-1 operators is in progress.
Yes, the activation of the Integrated SIM is the same as with traditional SIM cards.
Currently not. The Integrated SIM is compliant with ETSI/3GPP and therefore only remote file administration is supported, e.g. changing profile content.
In its next phases, the integrated SIM may evolve to comply with upcoming GSMA standards.
The Integrated SIM in the ALT125x enables greater cost reduction compared to standard eSIM solution. From total-cost-of-ownership perspective it is not
only the iSIM cost advantage but also the savings to be realized by reduced BOM, size reduction, no need of SIM tray for plug-in SIM, significantly reduced
handling and processing cost for discrete SIM cards.
All resources are statically assigned to iSIM and securely assessed to be protected from change.
The Integrated SIM is applicable for any cellular device.
As for IoT, the integrated SIM based on the ALT1250 chipset can be used in the R14 LTE CAT-M/NB-IoT
and 2G network and the ALT1255 chipset can be used in the R14 NB-IoT and 2G network as fallback.
The integrated SIM is compliant with ETSI/3GPP. In its next phases, the integrated SIM may evolve to comply with upcoming GSMA standards.
The Integrated SIM is commercially deployed. Personalization can be done locally in India. Sony and G+D can support and introduce the process.
The Integrated SIM based on ALT1250 chipset is used in IoT devices targeting LTE CAT-M/NB-IoT.
The same Integrated SIM will be used in the next generation chipset with 5G NR capabilities.
Yes, a specific set of data is pre-generated and bundled with the secure operating system and is provisioned
during the module or device manufacturing process.
The PNs with iSIM are ALT1250ST, ALT1250SB and ALT1255SB.
OTA services such as remote file management are supported.
There is an AT command to switch from the iSIM to the external SIM I/O.
The ALT1250/ALT1255 chipsets are qualified for industrial grade and are being commercially used
in automotive after-market applications. At the moment there is no plan for AEC-Q qualification.