The C1BX1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.76 to 1.965 GHz, Average Power 50 to 40 W, Average Power Forward 50 to 40 W, Insertion Loss 0.25 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for C1BX1 can be seen below.