The SMF950-F0520 from Mercury Systems is a RF & Microwave Circulator with Frequency 5.8 to 6.5 GHz, Average Power Forward 5 W, Average Power Reverse 0.5 W, Peak Power 50 W, Insertion Loss 0.4 dB. Tags: Drop-in Circulator. More details for SMF950-F0520 can be seen below.