The C1316/S*B from Smiths Interconnect is a RF & Microwave Circulator with Frequency 1.3 to 1.65 GHz, Average Power Forward 125 W, Peak Power 1000 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Coaxial Circulator. More details for C1316/S*B can be seen below.