The 1038 Sweep Frequency Display is a complete system that makes measurements in the 0.01 GHz to 18GHz range. The unit measures swept insertion or return loss with tracking errors corrected by AUTOMEMORY. Two channels are provided for simultaneous measurement of reflection and transmission. Includes mainframe, horizontal plug-in, vertical plug-in, and vertical amplifier plug-in. Picture Not Available Manufacturer''s Options Option 01 = Rackmount Option D14A = Different display utilized on later versions