The 996-185191-891 from M2 Global Technology is a RF & Microwave Isolator with Frequency 1.85 to 1.91 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.6 dB, Isolation 50 dB. Tags: Module with Connector, Coaxial Isolator. More details for 996-185191-891 can be seen below.