Hi All After 6 Months , I will install AIR-ANT2544V4M-R (WALL Mounting Type) >> install Mounting Surface Attached file Figure 3 Wall Mounting.(10 Page) so I neet to know 1) two screws size. (mounting surface) & 2) distance from one screw to other screw , 3) mouting surface (length & width) >> Install the antenna at ship >> because wall mouting surface fixing steel seat. so require information above. Thank You ps. I asked Partner Help. but I don't get infomation.