The KTMC-902AS10 from Kete Microwave is a RF & Microwave Circulator with Frequency 8 to 12 GHz, Average Power Reverse 20 W, Insertion Loss 0.6 to 1.2 dB, Isolation 16 to 30 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Circulator. More details for KTMC-902AS10 can be seen below.