The IS-25-10 from MCLI is a RF & Microwave Isolator with Frequency 6.5 to 13 GHz, Average Power Forward 10 W, Insertion Loss 0.7 dB, Isolation 17 dB, Operating Temperature -30 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-25-10 can be seen below.