The 994-037188-016 from M2 Global Technology is a RF & Microwave Isolator with Frequency 5.8 to 7.3 GHz, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -20 to 55 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for 994-037188-016 can be seen below.