The ACI-20210 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 8 to 16 GHz, Average Power Forward 5 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -30 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ACI-20210 can be seen below.