Short for Subscriber Identity Module, a small IC card issued by a mobile carrier that stores subscriber information such as the phone number and contract ID. Inserted into a smartphone or mobile phone, it enables the same number and services to be used on different devices simply by swapping the card. It is an essential component for mobile network authentication and is widely known to consumers through the spread of virtual-network-operator (MVNO) SIM plans.

Past questions testing this term · 2 questions

• 2018h30a #83SIMカードの説明として、適切なものはどれか。
• 2017h29h #97携帯電話会社が発行する，契約情報を記録した IC カードであり，携帯電話機などに差し込んで使用するものを何というか。