The ACI-20090 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 2.5 to 3.5 GHz, Average Power Forward 20 W, Insertion Loss 0.6 dB, Isolation 20 dB, Operating Temperature -10 to 40 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ACI-20090 can be seen below.