The T1BQ2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.93 to 1.99 GHz, Average Power 45 W, Average Power Forward 45 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for T1BQ2 can be seen below.