Chinese Institute transmits wirelessly over a terahertz frequency at a 300Gbps download data speed.
) is a good example of why the U.S. is concerned. According to the 25th Institute of the Second Academy of China Aerospace Science and Industry, a successful wireless transmission was made for the first time at a terahertz frequency level.
Using Terahertz frequencies presents the same issues that carriers have had to deal with when trying to set up 5G connectivity in the mmWave band . First, THz signals do not travel long distances and they have trouble penetrating clouds and fog. On the other hand, terahertz communications allow wireless transmissions to be almost as good as transmissions made over fiber.
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