The 996-540590-101 from M2 Global Technology is a RF & Microwave Isolator with Frequency 5.4 to 5.9 GHz, Average Power Forward 85 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for 996-540590-101 can be seen below.