The NJ3123-100 from Cobham Microwave is a Space Qualified Circulator with Frequency 7.925 to 8.575 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Peak Power 40 W, Insertion Loss 0.5 dB. Tags: Drop-in, Drop-in Circulator. More details for NJ3123-100 can be seen below.