The ACI-20190 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 8 to 9.5 GHz, Average Power Forward 10 W, Insertion Loss 0.35 dB, Isolation 20 dB, Operating Temperature -10 to 60 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ACI-20190 can be seen below.