The IS-161/NMI from MCLI is a RF & Microwave Isolator with Frequency 8 to 12.4 GHz, Average Power Forward 1 W, Insertion Loss 0.3 dB, Isolation 23 dB, Operating Temperature -15 to 71 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-161/NMI can be seen below.