The QDI1925X from Qualwave is a RF & Microwave Isolator with Frequency 800 to 3600 MHz, Bandwidth 900 MHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.30 to 0.50 dB. Tags: Drop-In, Drop-In Isolator. More details for QDI1925X can be seen below.