The QDI5050A from Qualwave is a RF & Microwave Isolator with Frequency 1500 to 3000 MHz, Bandwidth 1500 MHz, Average Power Forward 100 W, Average Power Reverse 10 to 100 W, Insertion Loss 0.7 dB. Tags: Drop-In, Drop-In Isolator. More details for QDI5050A can be seen below.