The VDC-2121-6C from VidaRF is a RF & Microwave Circulator with Frequency 2.11 to 2.17 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Peak Power 100 W, Insertion Loss 0.2 to 0.25 dB. Tags: Drop-in Circulator. More details for VDC-2121-6C can be seen below.