The T1YC1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.7 to 2.1 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for T1YC1 can be seen below.