good morning all....   I have a couple of W7200 Deco's and have succesfully used them in my house to create the mesh without issue.   I just built a pole barn (metal walls and roof).   I thought I had a good solution, put one of the Deco's in the window of my house closest to the barn and went to check.   Signal is great outside right at the barn and inside with the doors open.   Didn't check with the doors closed!!   wouldn't you know it, little to no signal!   I no longer have an open trench to drop in a cable and am not inclined to do it again!   is there anything I can do to help this?   Is there an external antenna what will connect to my mesh and I can pass into the barn?   Are there any stronger mesh setups that might work with the metal building?   Looking for some help.   Thanks.