The DBIS2002000300A from Qotana is a RF & Microwave Isolator with Frequency 2 to 3 GHz, Average Power Forward 50 W, Average Power Reverse 5 W, Insertion Loss 0.3 to 0.4 dB, Isolation 20 to 21 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS2002000300A can be seen below.