X-Nico

2 unusual facts about Subscriber Identity Module


Subscriber identity module

The first SIM card was made in 1991 by Munich smart-card maker Giesecke & Devrient, who sold the first 300 SIM cards to the Finnish wireless network operator Radiolinja.

Thomas Haug

Haug's personal contributions included introducing features such as SIM cards and SMS messaging.


Extensible Authentication Protocol

EAP for GSM Subscriber Identity Module (EAP-SIM) is used for authentication and session key distribution using the Subscriber Identity Module (SIM) from the Global System for Mobile Communications (GSM).

GSM 03.48

Application messages are commands or data exchanged between an application resident in or behind the GSM PLMN and on the SIM.

Mobile phone tracking

Using the SIM in GSM and UMTS handsets, it is possible to obtain raw radio measurements from the handset.

Sabeel Ahmed

Dr. Ahmed was alleged to have been given Dr. Haneef's British mobile phone SIM card when the latter left Britain last year to take a job at the Gold Coast Hospital in Queensland, Australia.


see also