The T5AJ1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.85 to 6.425 GHz, Average Power 120 W, Average Power Forward 120 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T5AJ1 can be seen below.