The F6-R2123C01 from QUEST Microwave is a RF & Microwave Circulator with Frequency 23.6 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.7 dB, Isolation 18 dB. Tags: Drop-in Circulator. More details for F6-R2123C01 can be seen below.