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