The T1HG1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.2 to 1.85 GHz, Average Power 30 W, Average Power Forward 30 W, Insertion Loss 0.5 dB, Isolation 14 dB. Tags: Drop-In, Drop-In Isolator. More details for T1HG1 can be seen below.