Why are 5G mmWave signals?

In summary, the use of mmWave signals in 5G enables dramatic improvements in speed and latency , offering the performance to significantly boost traditional wireless data applications and enable entirely new use cases such as ultra-low-latency communications (URLLC), cellular vehicle-to-everything (C-V2X) communications …

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Is 5G blocked by walls?

5 GHz networks do not penetrate solid objects such as walls nearly as well as do 2.4 GHz signals. This can limit an access points reach inside buildings like homes and offices where many walls may come between a wireless antenna and the user.

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