The SKYFR-001058 from Skyworks Solutions is a RF & Microwave Circulator with Frequency 1.915 to 2.01 GHz, Average Power Forward 140 W, Peak Power 800 W, Insertion Loss 0.15 to 0.19 dB, Isolation 23 dB. Tags: Surface Mount Circulator. More details for SKYFR-001058 can be seen below.