The RJ1-18-004 from Talent Microwave Inc is a Coaxial Rotary Joint with Frequency DC to 18 GHz, Average Power 1000 W, Peak Power 10 kW, Insertion Loss 0.05 to 0.4 dB, Operating Temperature -40 to 70 Degree C. More details for RJ1-18-004 can be seen below.