The CC 1327 v.3 from TKI-Ferrit is a RF & Microwave Circulator with Frequency 1.35 to 2.7 GHz, Average Power Forward 20 W, Average Power Reverse 20 W, Insertion Loss 0.7 dB, Isolation 15 dB. Tags: Module with Connectors, Coaxial Circulator. More details for CC 1327 v.3 can be seen below.