The IS-25 from MCLI is a RF & Microwave Isolator with Frequency 7 to 12.4 GHz, Average Power Forward 25 W, Insertion Loss 0.7 dB, Isolation 17 dB, Operating Temperature -54 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-25 can be seen below.