<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256">
  <!-- Monochrome version for dark backgrounds -->

  <!-- House silhouette -->
  <path d="M28 108 L128 32 L228 108 L228 220 L156 220 L156 152 L100 152 L100 220 L28 220 Z"
        fill="#ffffff"/>

  <!-- WiFi signal -->
  <path d="M170 70 Q185 55 200 70"
        fill="none"
        stroke="#ffffff"
        stroke-width="6"
        stroke-linecap="round"/>
  <path d="M160 80 Q185 55 210 80"
        fill="none"
        stroke="#ffffff"
        stroke-width="6"
        stroke-linecap="round"
        opacity="0.7"/>
  <circle cx="185" cy="55" r="5" fill="#ffffff"/>

  <!-- Smart hub -->
  <circle cx="128" cy="140" r="32" fill="#1a1a1a"/>
  <circle cx="128" cy="140" r="18" fill="none" stroke="#ffffff" stroke-width="3"/>
  <circle cx="128" cy="115" r="4" fill="#ffffff"/>
  <circle cx="153" cy="140" r="4" fill="#ffffff"/>
  <circle cx="128" cy="165" r="4" fill="#ffffff"/>
  <circle cx="103" cy="140" r="4" fill="#ffffff"/>
</svg>