3 ms·
Simple, go wired and encase the house in a faraday cage.
Simple, go wired and encase the house in a faraday cage.
Really, anyone who's lived in a sufficiently old house knows you can run your own Wi-Fi in a Faraday cage. Just probably not between rooms.
Houses finished with stucco tend to do this as a side effect, since stucco is applied onto a fine metal grid screwed to framing.