This is exactly my question. I have hooked port A and port B with the ports at the top of the MR84, and port C and D with the ports at the bottom, but i am not sure, if this is correct. When I do a survey with Ekahau site survey, I am missing all of the characteristics (30° Beam) of the antenna. So perhaps  A&C to top and B&D to bottom ist perhaps the right way. ... View more