The QCI2025X from Qualwave is a RF & Microwave Isolator with Frequency 1300 to 4000 MHz, Bandwidth 400 MHz, Average Power Forward 100 W, Average Power Reverse 20 W, Insertion Loss 0.25 to 0.40 dB. Tags: Module with Connector, Coaxial Isolator. More details for QCI2025X can be seen below.