The T1EE4 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.785 to 1.95 GHz, Average Power 200 W, Average Power Forward 200 W, Insertion Loss 0.3 dB, Isolation 24 dB. Tags: Drop-In, Drop-In Isolator. More details for T1EE4 can be seen below.