The ETCE0205 from Nova Microwave is a RF & Microwave Circulator with Frequency 1.92 to 2.17 GHz, Average Power Forward 250 W, Average Power Reverse 100 W, Insertion Loss 0.21 dB, Isolation 21 dB. Tags: Drop-In, Drop-in Circulator. More details for ETCE0205 can be seen below.