The DBIS1608001800B from Qotana is a RF & Microwave Isolator with Frequency 8 to 18 GHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 0.9 to 1 dB, Isolation 15 to 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS1608001800B can be seen below.