The QCI-26500-40000-10-1-K from Qualwave is a RF & Microwave Isolator with Frequency 26500 to 40000 MHz, Bandwidth 13500 MHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 1.7 dB. Tags: Module with Connector, Coaxial Isolator. More details for QCI-26500-40000-10-1-K can be seen below.