The T3ZH11 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3.094 to 3.505 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.6 dB, Isolation 21 dB. Tags: Drop-In, Drop-In Isolator. More details for T3ZH11 can be seen below.