The ETC0240 from Nova Microwave is a RF & Microwave Circulator with Frequency 2.3 to 2.5 GHz, Average Power Forward 250 W, Average Power Reverse 100 W, Insertion Loss 0.15 dB, Isolation 22 dB. Tags: Drop-In, Drop-in Circulator. More details for ETC0240 can be seen below.