The ACI-20110 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 3 to 6 GHz, Average Power Forward 10 W, Insertion Loss 0.6 dB, Isolation 17 dB, Operating Temperature -10 to 55 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ACI-20110 can be seen below.