The IS-58 from MCLI is a RF & Microwave Isolator with Frequency 8 to 18 GHz, Average Power Forward 1 W, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -54 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-58 can be seen below.
