The CCD 13.5 aaaa from TKI-Ferrit is a RF & Microwave Circulator with Frequency 13.2 to 13.8 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.9 dB, Isolation 19 dB. Tags: Module with Connectors, Coaxial Circulator. More details for CCD 13.5 aaaa can be seen below.