The SMI-2226H from Sierra Microwave Technology is a RF & Microwave Isolator with Frequency 22 to 26.5 GHz, Insertion Loss 0.8 dB, Isolation 40 dB, Operating Temperature -54 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for SMI-2226H can be seen below.