Hi, I plan to use MR46e AP for a new large warehouse installation (365,760 sq meters) . We have had success with these before. Problem is here that the ceiling is 40 feet, about 12 m. I can't find much info on antenna range. Although with small dipole antennas, these MR46e should cover 100m if in an open space. There will be steel racks almost to the ceiling here . How we got around this before was using more MR46e , 1 each 30m and large patch antennas. I'm not so sure about the large patch antennas here at 12m ceiling. Any ideas are welcome.