> brick, wood, drywall, plywood, concrete, metal, and acoustic ceiling tiles is usually cheaper than Wi-Fi-penetrating materials What are these alternative Wi-

> brick, wood, drywall, plywood, concrete, metal, and acoustic ceiling tiles is usually cheaper than Wi-Fi-penetrating materials What are these alternative Wi-Fi-penetrating materials? And what trade offs do they have? (Cost is mentioned, but there many aspects other aspects to building materials besides cost and wi-fi penetration.) I’m thinking the author should start by not putting their wi-fi router behind a metal plate.