and the origin of the SIM card itself, [LaForge] goes through the main specification and technology parts of each following generation from 2G to 5G. Covering the physical basics, I/O interfaces ...

Digicel is urging customers still using older 2G devices to upgrade immediately as it will shut down its 2G network ...

Oberthur Card Systems' SIMphonIC 3G 64 RSA 32-bit smart card is a new, high-security, high-performance, dual mode SIM card embedding 2G applications as well as offering 3G SIM Tool Kit capability, ...