mmWave doesn’t penetrate walls Most building materials, such as cement and brick, attenuate and reflect very high-frequency signals with a big enough loss you’re unlikely to receive a very useful signal moving from inside to outside.18 Ağu 2021
Read moreIs 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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