The C2ZA1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.7 to 3.1 GHz, Average Power 440 W, Average Power Forward 440 W, Peak Power 2 kW, Insertion Loss 0.25 dB. Tags: Drop-In, Drop-In Isolator. More details for C2ZA1 can be seen below.