The RFLI-502-4 from RF-Lambda is a RF & Microwave Isolator with Frequency 6 to 10 GHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFLI-502-4 can be seen below.