Thursday, 17 September 2020 10:14
HISTORY AND EVOLUTION OF SIM CARDS: Micro, Nano and the Others You Didn't Know About
Written by CameraBoy TV
The first SIM card was developed in 1991 by Munich smart-card maker Giesecke & Devrient, who sold
The first SIM card was developed in 1991 by Munich smart-card maker Giesecke & Devrient, who sold the first 300 SIM cards to the Finnish wireless network operator Radiolinja. Today, SIM cards are ubiquitous, allowing over 7 billion devices to connect to cellular networks around the world
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