The DBCL1900850095A from Qotana is a RF & Microwave Circulator with Frequency 850 to 950 MHz, Average Power Forward 30 W, Average Power Reverse 30 W, Insertion Loss 0.30 to 0.40 dB, Isolation 19 to 20 dB. Tags: Coaxial Circulator. More details for DBCL1900850095A can be seen below.