The DBIS2502500250A from Qotana is a RF & Microwave Isolator with Frequency 2.5 GHz, Average Power Forward 20 W, Average Power Reverse 2 W, Insertion Loss 0.3 to 0.4 dB, Isolation 25 to 26 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS2502500250A can be seen below.