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SK Telecom, Samsung complete 4G-5G network dual connectivity test

March 14, 2019

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SK Telecom and Samsung Electronics have completed a network device interoperability test that applies dual connectivity technology, using both 4G and 5G networks provided by Samsung.

This technology is also known as E-UTRAN New Radio Dual Connectivity (EN-DC) and is based on the 3GPP 5G New Radio standard.

During the test, the two Korean companies have achieved 2.65 Gbps in data speeds on a 5G smartphone, combining both 1.5 Gbps in 5G using 100 megahertz of the 3.5 GHz band, with 1.15 Gbps in LTE using a combined 65 megahertz of 1.8 GHz, 2.1 GHz, and 2.6 GHz frequencies — all of which are available for commercial use by SK Telecom.

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