The C1AT1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.02 to 1.1 GHz, Average Power 180 to 3000 W, Average Power Forward 180 to 3000 W, Insertion Loss 0.3 dB, Isolation 25 dB. Tags: Drop-In, Drop-In Isolator. More details for C1AT1 can be seen below.