The T1KG1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.71 to 1.785 GHz, Average Power 100 W, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for T1KG1 can be seen below.