The MAFR-000631-000001 from Skyworks Solutions is a RF & Microwave Circulator with Frequency 791 to 821 MHz, Average Power 250 W, Peak Power 1200 W, Peak Power Forward 1200 W, Insertion Loss 0.25 dB. Tags: Drop-In, Drop-in Circulator. More details for MAFR-000631-000001 can be seen below.