The ISDJ-19 from MCLI is a RF & Microwave Isolator with Frequency 9.2 to 10.5 GHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 46 dB, Operating Temperature -20 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ISDJ-19 can be seen below.