The C2AB11 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.5 to 2.7 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 0.25 dB, Operating Temperature -40 to 65 Degree C. Tags: Drop-In, Drop-In Isolator. More details for C2AB11 can be seen below.