The IS-34 from MCLI is a RF & Microwave Isolator with Frequency 13 to 14.6 GHz, Average Power Forward 25 W, Peak Power Forward 0.25 kW, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for IS-34 can be seen below.