The 994-037285-005 from M2 Global Technology is a RF & Microwave Isolator with Frequency 11.7 to 12.2 GHz, Average Power Reverse 10 W, Insertion Loss 0.3 dB, Isolation 23 dB, Operating Temperature -20 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for 994-037285-005 can be seen below.