The IS-14 from MCLI is a RF & Microwave Isolator with Frequency 2.85 to 3.3 GHz, Average Power Forward 25 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-14 can be seen below.