linux-dotfiles/icons/Papirus-Dark/symbolic/status/network-wireless-signal-none-symbolic.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" version="1.1">
 <path style="opacity:.35;fill:#dfdfdf" d="M 0,4 C 2.0806,2.0732 4.9494,1 8,1 c 3.051,0 5.919,1.0731 8,3 L 8,15 Z"/>
</svg>