I need your advices for my situation.
The company I am working for has had wireless network but no staircases has been covered. All staircases are two type- 6-story and 3 story. I suppose I should put 2 APs on 6-story staircases- one on the top and on on the bottom, and one AP on the top of 3-story staircase. I just wonder what kind of antenna I should use, directional or omnidirectional.