The T5AT1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.8 to 6.8 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T5AT1 can be seen below.