The C1CY1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.08 to 1.1 GHz, Average Power 30 to 2000 W, Average Power Forward 30 to 2000 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for C1CY1 can be seen below.