The WVI-6.15G-0.7GBW01 from Wevercomm is a RF & Microwave Isolator with Frequency 5.8 to 6.5 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-6.15G-0.7GBW01 can be seen below.