The RFLI-300-2 from RF-Lambda is a RF & Microwave Isolator with Frequency 2 to 8 GHz, Average Power Forward 50 W, Average Power Reverse 2 W, Insertion Loss 1.5 dB, Isolation 15 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFLI-300-2 can be seen below.