The VMDC-109127 from VidaRF is a RF & Microwave Circulator with Frequency 10.95 to 12.75 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.7 dB, Isolation 17 dB. Tags: Drop-in Circulator. More details for VMDC-109127 can be seen below.