The SR1807 from Fairview Microwave is a Coaxial Rotary Joint with Frequency DC to 18 GHz, Average Power 30 to 200 W, Peak Power 0.3 kW (3000 W), Insertion Loss 0.7 to 1 dB, Operating Temperature -40 to 70 Degree C. More details for SR1807 can be seen below.