The IS-11 from MCLI is a RF & Microwave Isolator with Frequency 2.11 to 2.17 GHz, Average Power Forward 50 W, Peak Power Forward 0.25 kW, Insertion Loss 0.7 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for IS-11 can be seen below.