The IS-36 from MCLI is a RF & Microwave Isolator with Frequency 850 MHz to 2.5 GHz, Average Power Forward 25 W, Peak Power Forward 0.25 kW, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for IS-36 can be seen below.