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Originally Posted by Fbone
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From what I read on 5G is it's similar to satellite dishes. Line of sight is needed for the fastest most reliable connection. At the moment, 5G can't penetrate buildings, trees, etc. If that remain so, 5G will not be useful in urban areas where the demographics may possibly support the expensive infrastructure.
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That is true about the very high frequencies but not the lower ones.
It's lot like MIMO WiFi in that it achieves its highest performance by combining channels at different frequencies.