A mezzanine shall be open and unobstructed into the area during which these mezzanine is situated except for walls not in excess of forty two inches (1067 mm) in height, columns and posts. In the event the hand is distant from your antenna, the resonant frequency from the antenna series https://chancefzskb.bloguerosa.com/37208803/details-fiction-and-mezzanine-safety-gates-uk