The C2CN1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.7 to 3.2 GHz, Average Power 300 W, Average Power Forward 300 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C2CN1 can be seen below.