The DDC7001800C from DEEWAVE Electronics is a RF & Microwave Circulator with Frequency 7.0 to 18.0 GHz, Bandwidth 300 to 1000 MHz, Average Power Forward 10 W, Insertion Loss 0.30 to 0.40 dB, Isolation 20 to 23 dB. Tags: Drop-in Circulator. More details for DDC7001800C can be seen below.