The T1BM1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.93 to 1.99 GHz, Average Power 65 W, Average Power Forward 65 W, Insertion Loss 0.4 dB, Isolation 40 dB. Tags: Drop-In, Drop-In Isolator. More details for T1BM1 can be seen below.