The M-3CCC58-1 from L-TEQ Microwave Technology is a RF & Microwave Circulator with Frequency 5.35 to 6.35 GHz, Average Power Forward 1 W, Insertion Loss 0.3 to 0.4 dB, Isolation 18 to 20 dB, Operating Temperature 15 to 35 Degree C. Tags: Coaxial Circulator. More details for M-3CCC58-1 can be seen below.