The SKYFR-001709 from Skyworks Solutions is a RF & Microwave Circulator with Frequency 3.6 to 3.8 GHz, Average Power Forward 20 W, Average Power Reverse 20 W, Peak Power 160 W, Insertion Loss 0.19 to 0.23 dB. Tags: Surface Mount, Surface Mount Circulator. More details for SKYFR-001709 can be seen below.