The T5YV1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.9 to 6.425 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.4 dB, Isolation 18 dB. Tags: Drop-In, Drop-In Isolator. More details for T5YV1 can be seen below.