The WVI-8G-1GBW01 from Wevercomm is a RF & Microwave Isolator with Frequency 7.5 to 8.5 GHz, Average Power Forward 8 W, Average Power Reverse 1 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for WVI-8G-1GBW01 can be seen below.