@activelylearn/material-ui/packages/material-ui-icons/src/SignalCellularOff.js

Material-UI's workspace package

import React from 'react';
import createSvgIcon from './utils/createSvgIcon';

export default createSvgIcon(
  <g><path d="M21 1l-8.59 8.59L21 18.18V1zM4.77 4.5L3.5 5.77l6.36 6.36L1 21h17.73l2 2L22 21.73 4.77 4.5z" /></g>
, 'SignalCellularOff');