Which $802\mathrm{.}11$ standard operates at $5$ GHz$,$ provides data rates between $1\mathrm{.}5$ Mbps to $54$ Mbps$,$ but suffers attenuation from walls, doors, and other surfaces?

Group of answer choices

$802\mathrm{.}11$g

$802\mathrm{.}11$af

$802\mathrm{.}11$ac

$802\mathrm{.}11$a

$802\mathrm{.}11$n