The F9-M5459T01 from QUEST Microwave is a RF & Microwave Isolator with Frequency 5.4 to 5.9 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB Max., Isolation 20 dB Min.. Tags: Drop-In, Drop-In Isolator. More details for F9-M5459T01 can be seen below.