Picking up wi-fi from ap[roximately 400 ft. away.

Retired andLoveIt wrote:
I need to pick up a signal from a router that is approx 400 ft from from remote setup. Need suggestions for directional antenna and proper router to use. Source building is a cement structure. Roof is metal membrain.

400 ft isn't anything special. the concrete and metal building is.

Put an antenna on the outside of the building, or another wireless access point. Outdoor AP aren't very expensive, power and data will go over one cable.

Outdoor AP