The 17-2150-0 from Diamond Antenna and Microwave Corporation is a Coaxial Rotary Joint with Frequency DC to 40 GHz, Average Power 50 W, Peak Power 0.5 kW (500 W), Insertion Loss 0.4 to 1.0 dB, Operating Temperature -40 to 85 Degree C. More details for 17-2150-0 can be seen below.