The C5BK1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.725 to 5.875 GHz, Average Power 150 W, Average Power Forward 150 W, Insertion Loss 0.5 dB, Isolation 30 dB. Tags: Drop-In, Drop-In Isolator. More details for C5BK1 can be seen below.