The IS-61-2/NFI/NMO from MCLI is a RF & Microwave Isolator with Frequency 10.95 to 12.75 GHz, Average Power Forward 25 W, Peak Power Forward 0.25 kW, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for IS-61-2/NFI/NMO can be seen below.