The GIS-99A-9297 from Stellant Systems is a RF & Microwave Isolator with Frequency 0.925 to 0.97 GHz, Average Power Forward 50 W, Average Power Reverse 30 W, Insertion Loss 0.3 dB, Isolation 25 dB. Tags: Module with Connector, Coaxial Isolator. More details for GIS-99A-9297 can be seen below.