The C1ZW2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.085 to 1.095 GHz, Average Power 4 W, Average Power Forward 4 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for C1ZW2 can be seen below.