The T1FG1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.785 to 1.9 GHz, Average Power 100 W, Average Power Forward 100 W, Peak Power 400 W, Insertion Loss 0.3 dB. Tags: Drop-In, Drop-In Isolator. More details for T1FG1 can be seen below.