The QDI3538X from Qualwave is a RF & Microwave Isolator with Frequency 300 to 1850 MHz, Bandwidth 500 MHz, Average Power Forward 100 to 300 W, Average Power Reverse 10 to 100 W, Insertion Loss 0.25 to 0.7 dB. Tags: Drop-In, Drop-In Isolator. More details for QDI3538X can be seen below.
