The T2DF1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.9 to 3.5 GHz, Average Power 120 W, Average Power Forward 120 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for T2DF1 can be seen below.