The WVI-10.4G-1GBW01 from Wevercomm is a RF & Microwave Isolator with Frequency 9.9 to 10.9 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for WVI-10.4G-1GBW01 can be seen below.