The C1XJ5 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.5 to 2.7 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C1XJ5 can be seen below.