The C1HQ1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.7 to 3 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.8 dB, Isolation 40 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C1HQ1 can be seen below.