The CY9A1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 950 MHz to 1.225 GHz, Average Power 200 W, Average Power Forward 200 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for CY9A1 can be seen below.