RemixIconEx.Device.sim_card

You're seeing just the function sim_card, go back to RemixIconEx.Device module for more information.
Link to this function

sim_card(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Device.sim_card()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M6 4v16h12V7.828L14.172 4H6zM5 2h10l4.707 4.707a1 1 0 0 1 .293.707V21a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V3a1 1 0 0 1 1-1zm3 10h8v6H8v-6z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}