The C1XF1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.644 to 1.844 GHz, Average Power 150 W, Average Power Forward 150 W, Peak Power 150 W, Insertion Loss 0.3 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C1XF1 can be seen below.