The 994-037280-010 from M2 Global Technology is a RF & Microwave Isolator with Frequency 10.9 to 12.8 GHz, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -30 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for 994-037280-010 can be seen below.