The Best Falcon Antenna 11 Meter, This is an Indoor and Outdoor 11 Meter 1/2 Wave Ham antenna. These can be mounted horizontal, vertical, sloped, in a V or an L. Talk about a stealth base station antenna this is it. Comes with instructions that shows different ways it can be configured. This is the Best 11m Base Station Dipole Antenna you can buy. Comes with tuning instructions for adjusting the SWR. Made in the USA