The DBIS1518002650I from Qotana is a RF & Microwave Isolator with Frequency 18 to 26.5 GHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 1.5 dB, Isolation 15 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS1518002650I can be seen below.