telecommunications (1)


A SIM card (which stands for "Subscriber Identification Module") is a small circuit board inserted into a mobile phone which allows it to communicate with the cell towers of local carriers, and getting a locally based SIM card allows travelers to use their phones without outragenous roaming charges. Of course, when it comes to Europe, the world's most popular destination, the "roam-like at home" rule of the European Union became operational in June of 2017, according to which service pr

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