At CES, LG announced they would be testing 4k Ultra HD broadcasts in the United States along with other companies in 2018. The company says all LG 4K Ultra HD TVs on the market in South Korea already integrate ATSC 3.0 tuning circuitry.

South Korea, who adopted ATSC 3.0 last year, has been testing the new broadcast standard with KBS, MBC and SBS in preparation for the 2018 Winter Games in Pyeongchang.

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From hd-report.com