The C1FA1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.895 to 1.92 GHz, Average Power 15 W, Average Power Forward 15 W, Insertion Loss 0.25 dB, Isolation 30 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C1FA1 can be seen below.