The T1EE16 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.8 to 1.89 GHz, Average Power 125 W, Average Power Forward 125 W, Peak Power 500 W, Insertion Loss 0.3 dB. Tags: Drop-In, Drop-In Isolator. More details for T1EE16 can be seen below.