The QCI12762H from Qualwave is a RF & Microwave Isolator with Frequency 300 to 500 MHz, Bandwidth 40 MHz, Average Power Forward 300 W, Average Power Reverse 10 to 100 W, Insertion Loss 0.40 to 0.80 dB. Tags: Module with Connector, Coaxial Isolator. More details for QCI12762H can be seen below.