The ACI-20130 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Average Power Forward 5 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -25 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ACI-20130 can be seen below.