The C1XK9 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.75 to 2 GHz, Average Power 200 W, Average Power Forward 200 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C1XK9 can be seen below.