The C1EB1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.805 to 1.88 GHz, Average Power 65 W, Average Power Forward 65 W, Insertion Loss 0.2 dB, Isolation 23 dB. Tags: Drop-In, Drop-In Isolator. More details for C1EB1 can be seen below.