SK Telecom says its 5G rollout is moving quicker than expected

The incremental crawl towards 5G is going slightly faster in South Korea, if SK Telecoms latest boasts are to be believed.
Its trial 5G network in Bundang was augmented with a relay repeater operating in both the 3.5 GHz and 28 GHz bands. The main point of this sort of thing is to overcome the propagation issues faced when using higher frequency spectrum – i.e. it doesn’t penetrate walls very well. The obvious solution to this is to install boosters anywhere the main 5G signal is str