The DBIS6003000400A from Qotana is a RF & Microwave Isolator with Frequency 3 to 4 GHz, Average Power Forward 100 W, Average Power Reverse 60 W, Insertion Loss 1.2 dB, Isolation 60 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS6003000400A can be seen below.