Model ATH6G18A is a wide-band, high-gain microwave horn antenna with WRD-650 double-ridged waveguide input. It operates down to 6.0 GHz, extending the conventional WRD-650 operating band. Model ATH6G18A is capable of handling high average and peak power levels and can generate extremely high field intensities. Model ATH6G18A is a compact, rugged and lightweight brazed aluminum assembly. It easily mounts to a tripod using integral mounting brackets. The export classification for this equipment is EAR99. These commodities, technology, or software are controlled for export in accordance with the U.S. Export Administration Regulations. Diversion contrary to U.S. law is prohibited.