The IS-10/NF from MCLI is a RF & Microwave Isolator with Frequency 2.5 to 5.5 GHz, Insertion Loss 0.5 dB, Isolation 17 dB, Operating Temperature -30 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-10/NF can be seen below.