The CMB480500CS from 3Rwave is a RF & Microwave Circulator with Frequency 4.8 to 5 GHz, Average Power Forward 80 W, Insertion Loss 0.3 to 0.35 dB, Isolation 21 to 24 dB, Return Loss 21 to 24 dB. Tags: Surface Mount Circulator. More details for CMB480500CS can be seen below.