The primary distinction between NSA and SA lies in their approaches to delivering 5G. NSA employs a 5G RAN (Radio Access Network) alongside a 4G LTE core, whereas SA represents a comprehensive 5G network, featuring both a 5G RAN and NR (Network Radio) core. The manner of deployment dictates how each mode adheres to the NR specifications defined by 3GPP.

5G SA SIM cards will leverage 5G encryption, enjoying the advantages of significantly reduced latencies, measured in just a few milliseconds compared to the tens of milliseconds observed with 4G technology.

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