Tom DeReggi Posted November 1, 2016 Report Share Posted November 1, 2016 The Horn antennas are extremely compact, and from a physical perspective, they will fit very close togeather. Pretty much just limited by the radio height, and enough room to remove them from the twistport. However, has anyone done the math to determine how close we can collocated a groups of horns togeather and still have adequate isolation between the radios. For example, if we were to use the newest rev Ubiquiti Prism (w/ tx/rc filtering) and literally stack them as close togeather as possible, how much channel separation would we need? (im referring to AP to AP interference. I recognize CPEs would hear both APs near the edges) For example lets say we want to get 4 - 30deg sectors for 120 deg coverage on one vertical mast. Just wondering how much optimizing the physical separation on the pole will help. Im probably gonna stagger them alternating left and right of pole, and maybe going top down, stagger them 30, 90, 60, 120 (or similar) to aid in isolation, to optimize horizontal separation and to prevent sector's beams from crossing the other's path. But undecided on whether I need to add additional vertical separation or not. I'll likely use multiple bands, to have large amount of channel separation. But there can also be other RF factors, that are less obvious. Such as receiver overloading, or one magnetic field interacting with another magnetic field that is to close. . Quote Link to comment Share on other sites More sharing options...
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