The MAFR-000618-000001 from Skyworks Solutions is a RF & Microwave Circulator with Frequency 1880 to 2025 MHz, Average Power 140 W, Peak Power 500 W, Peak Power Forward 500 W, Insertion Loss 0.25 dB. Tags: Surface Mount, Surface Mount Circulator. More details for MAFR-000618-000001 can be seen below.