SIM Insights | Sumble

What is SIM?

SIM stands for Subscriber Identity Module. It's a small, removable card in mobile phones and other devices that securely stores the International Mobile Subscriber Identity (IMSI) and related key, which identifies and authenticates the user to the mobile network. It enables the user to make calls, send texts, and use mobile data services.

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What other technologies are related to SIM?

SIM Competitor Technologies

eSIM

eSIM is an embedded SIM, which serves a similar function as a physical SIM card, but is embedded directly into a device. It is a direct competitor because it replaces the physical SIM.

mentioned alongside SIM in 17% (184) of relevant job posts

SIM Complementary Technologies

ISIM

ISIM is an IP Multimedia Services Identity Module, an application running on a USIM card used in 3G and 4G networks. It works in conjunction with the SIM to provide authentication and other services, and is strongly complementary.

mentioned alongside SIM in 21% (89) of relevant job posts

3GPP

3GPP is a standards organization that defines cellular telecommunications technologies including those related to SIM cards. It is strongly complementary.

What is SIM?

What other technologies are related to SIM?

SIM Competitor Technologies

SIM Complementary Technologies

Which job functions mention SIM?

Which organizations are mentioning SIM?