The QDC1313M from Qualwave is a RF & Microwave Circulator with Frequency 1700 to 6000 MHz, Bandwidth 800 MHz, Average Power Forward 60 to 100 W, Insertion Loss 0.3 to 0.45 dB, Isolation 18 to 23 dB. Tags: Drop-In, Drop-in Circulator. More details for QDC1313M can be seen below.
