The M-3CCC16-2-MS from L-TEQ Microwave Technology is a RF & Microwave Circulator with Frequency 1.35 to 1.75 GHz, Average Power Forward 1 W, Insertion Loss 0.4 to 0.7 dB, Isolation 16 to 18 dB, Operating Temperature 15 to 35 Degree C. Tags: Coaxial Circulator. More details for M-3CCC16-2-MS can be seen below.