The C1BX3 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.75 to 1.85 GHz, Average Power 150 W, Average Power Forward 150 W, Insertion Loss 0.3 dB, Isolation 22 dB. Tags: Drop-In, Drop-In Isolator. More details for C1BX3 can be seen below.