The L 178 DDJCCW from Southern Microwave Inc is a RF & Microwave Circulator with Frequency 1.71 to 1.85 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Insertion Loss 0.8 dB, Isolation 40 dB. Tags: Drop-in Circulator. More details for L 178 DDJCCW can be seen below.