The 20-1146-0 from Diamond Antenna and Microwave Corporation is a Waveguide Rotary Joint with Frequency 27.5 to 31 GHz, Power 40 W, Peak Power 200 W, Insertion Loss 0.45 dB, Operating Temperature -55 to 71 Degree C. Tags: U Type. More details for 20-1146-0 can be seen below.