The PE83CR1016 from Pasternack Enterprises Inc is a RF & Microwave Circulator with Frequency 1.7 to 2.2 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Peak Power 30 W, Insertion Loss 0.8 dB. Tags: Coaxial Circulator. More details for PE83CR1016 can be seen below.