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Hi-Tech / Mobile communication

GSM. SIM card: what is it?

Mobile devices and high technology. 22.03.2017 at 07:29

Mobile devices and high technology.

Work cell phone in GSM networks is possible,

when the latter is designed to work with these types of networks, and

are the identity of the subscriber that he will definitely

define. Look at the second. GSM this introduces a concept

as a "SIM" (in common people – SIM module, the SIM card, SIM card, etc.).

GSM. SIM: what it is.