The IS-65-1 from MCLI is a RF & Microwave Isolator with Frequency 8 to 18 GHz, Average Power Forward 1 W, Insertion Loss 1 dB, Isolation 14 dB, Operating Temperature 0 to 60 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-65-1 can be seen below.