The QDI1220D from Qualwave is a RF & Microwave Isolator with Frequency 5000 to 7000 MHz, Bandwidth 800 MHz, Average Power Forward 80 W, Average Power Reverse 10 W, Insertion Loss 0.3 to 0.4 dB. Tags: Drop-In, Drop-In Isolator. More details for QDI1220D can be seen below.