The C1GN1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.755 to 2.4 GHz, Average Power 250 W, Average Power Forward 250 W, Insertion Loss 0.35 dB, Isolation 18 dB. Tags: Drop-In, Drop-In Isolator. More details for C1GN1 can be seen below.