Global Subscriber Identification Module (SIM) Card Market to Grow at a CAGR of 1.47% During 2017-2021 - Bartronics, Eastcompeace Technology, Gemalto, Giesecke & Devrient
A SIM is an IC, which is used to store the IMSI number. The IMSI number is used to identify and authenticate subscribers on telephonic devices. The SIM cards consist of memory capacities such as 32KB, 64KB, 128KB, and 256KB. SIM cards are always used in Global System for Mobile communication (GSM) phones, code-division multiple access (CDMA) phones, LTE handsets, and satellite phones.
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