The DBIS2002500350B from Qotana is a RF & Microwave Isolator with Frequency 2.5 to 3.5 GHz, Average Power Forward 20 W, Average Power Reverse 5 W, Insertion Loss 0.4 to 0.4 dB, Isolation 20 to 21 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS2002500350B can be seen below.