The IS-29-1 from MCLI is a RF & Microwave Isolator with Frequency 10.7 to 11.7 GHz, Insertion Loss 0.9 dB, Isolation 15 dB, Operating Temperature -54 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-29-1 can be seen below.