The COI07180423G-XX from Cernex Inc is a RF & Microwave Isolator with Frequency 7 to 18 GHz, Bandwidth 1000 MHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for COI07180423G-XX can be seen below.