The JI2C16K75T17K25S1 from JQL Electronics is a RF & Microwave Isolator with Frequency 16.75 to 17.25 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.7 dB, Isolation 50 dB. Tags: Module with Connector, Coaxial Isolator. More details for JI2C16K75T17K25S1 can be seen below.