The IS-110 from MCLI is a RF & Microwave Isolator with Frequency 700 MHz to 1 GHz, Average Power Forward 1 W, Insertion Loss 1.1 dB, Isolation 15 dB, Operating Temperature 0 to 50 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IS-110 can be seen below.