The MAFR-000688-000001 from Skyworks Solutions is a RF & Microwave Circulator with Frequency 860 to 960 MHz, Average Power Forward 140 W, Peak Power 500 W, Insertion Loss 0.35 dB, Isolation 20 dB. Tags: Surface Mount Circulator. More details for MAFR-000688-000001 can be seen below.