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HYPOTHESIS I hypothesize that all of the materials listed in the previous slide will decrease WiFi signal strengths, but the glass will have the least effect. Glass will have the least effect on the WiFi signal because it allows the low frequency light to pass through. I think that the metal door will have the greatest effect on the signal because it does not let as much light energy through. What materials reflect signals? What materials absorb signals?
How Building Materials Affect Wi-Fi Signals Are you curious why a particular part of your home, or even an area just outside the house wall, has poor Wi-Fi reception? It could be due to the material used for the wall, or other physical barriers.