An antenna module includes: an antenna-radio unit comprising an antenna and a radio transceiver in an integrated unit; a foundation plate configured for mounting to a monopole; a bottom plate mounted above the foundation plate to form a first air gap; a support member that extends upwardly from the bottom plate, the antenna-radio unit mounted to the support member; an upper plate mounted to an upper end of the support member; a fan unit mounted to the upper plate; a lower cap mounted above the upper plate; an upper cap mounted above the lower cap to form a second air gap; and a shroud that surrounds and conceals the antenna-radio unit and the support member.