The QRJ1-40000-12 from Qualwave is a Coaxial Rotary Joint with Frequency DC to 40 GHz, Average Power 50 to 500 W, Peak Power 3000 W, Insertion Loss 0.25 to 0.70 dB, Operating Temperature -55 to 85 Degree C. More details for QRJ1-40000-12 can be seen below.