The CBA043044AA from 3Rwave is a RF & Microwave Circulator with Frequency 438 to 448 MHz, Average Power Forward 300 W, Insertion Loss 0.25 to 0.35 dB, Isolation 22 to 26 dB, Return Loss 22 to 26 dB. Tags: Drop-in Circulator. More details for CBA043044AA can be seen below.