The RJ1-18-002 from Talent Microwave Inc is a Coaxial Rotary Joint with Frequency DC to 18 GHz, Average Power 30 W, Peak Power 1.5 kW, Insertion Loss 0.04 to 0.5 dB, Operating Temperature -40 to 70 Degree C. More details for RJ1-18-002 can be seen below.