The 282E-78.5/.110/387 from MI-WAVE is a Waveguide Polarizer with Bandwidth 7 GHz, Frequency 60 to 90 GHz, Insertion Loss 1.0 dB, Waveguide Diameter 0.141, 0.125, 0.110, 0.094 Inch.. Tags: Fixed. More details for 282E-78.5/.110/387 can be seen below.