The CS-50-2/NFI/NMO from MCLI is a RF & Microwave Circulator with Frequency 2 to 3 GHz, Average Power Forward 50 W, Peak Power 100 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Coaxial Circulator. More details for CS-50-2/NFI/NMO can be seen below.