The MAFR-000663-000001 from Skyworks Solutions is a RF & Microwave Circulator with Frequency 1930 to 1995 MHz, Average Power 80 W, Peak Power 500 W, Peak Power Forward 500 W, Insertion Loss 0.20 to 0.29 dB. Tags: Surface Mount, Surface Mount Circulator. More details for MAFR-000663-000001 can be seen below.