The MAFR-000663-000001 from Skyworks Solutions is a RF & Microwave Circulator with Frequency 1.93 to 1.995 GHz, Average Power Forward 80 W, Peak Power 500 W, Insertion Loss 0.29 dB, Isolation 20 dB. Tags: Surface Mount Circulator. More details for MAFR-000663-000001 can be seen below.