The SMI-1415 from Sierra Microwave Technology is a RF & Microwave Isolator with Frequency 14 to 14.5 GHz, Average Power Reverse 2 W, Insertion Loss 0.3 dB, Isolation 23 dB, Operating Temperature -54 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for SMI-1415 can be seen below.