I asked our marketing folks for info and they provided this: Please kindly refer to URL below about E5063A PCB Analyzer vs Polar Instruments CITS880. http://fieldcontent.business.keysight.com/Upload/E5063A_PCB_Analyzer_vs_Polar_CITS880_1-pager.pptx More information about the E5063A PCB Analyzer is available at http://fieldcontent.business.keysight.com/Upload/PCB%20Analyzer.pptx Polar may have materials giving their version of the comparison. The Agilent/Keysight instrument you mentioned was different than this one. --Julie Silk