The KTSC-202S05 from Kete Microwave is a RF & Microwave Circulator with Frequency 1.8 to 2.7 GHz, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Surface Mount Circulator. More details for KTSC-202S05 can be seen below.