The COI26401014D from Cernex Inc is a RF & Microwave Isolator with Frequency 26.5 to 40 GHz, Average Power Forward 5 W, Insertion Loss 1 dB, Isolation 14 dB, Operating Temperature -20 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for COI26401014D can be seen below.