The T3XE1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3.5 to 7 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.8 dB, Isolation 40 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T3XE1 can be seen below.