On the datasheet for the Meraki Dual Band Patch Antenna MA-ANT-25   • https://meraki.cisco.com/lib/pdf/meraki_datasheet_antenna_dual_band_patch_8dBi_6dBi.pdf   there are diagrams of the Signal Coverage Patterns, which consist of polar coordinate graphs -- 0 ° to 360 ° and circles marked -5, 0, and 5 -- with patterns that either represent how a wi-fi signal spreads out from the antenna, or is some type of Rorschach test.   How exactly am I supposed to interpret these diagrams?   Thanks.   ... View more