The ATc7.5-10.0 from Narda-ATM is a RF & Microwave Circulator with Frequency 7.5 to 10 GHz, Average Power Forward 2 W, Peak Power 20 W, Insertion Loss 0.1 to 0.15 dB, Isolation 20 to 23 dB. Tags: Coaxial Circulator. More details for ATc7.5-10.0 can be seen below.