The QDI5050X from Qualwave is a RF & Microwave Isolator with Frequency 160 to 330 MHz, Bandwidth 70 MHz, Average Power Forward 500 W, Average Power Reverse 10 to 100 W, Insertion Loss 0.2 to 0.7 dB. Tags: Drop-In, Drop-In Isolator. More details for QDI5050X can be seen below.