The F2166 from WENTEQ Microwave Corp is a RF & Microwave Isolator with Frequency 6 to 12 GHz, Bandwidth 1000MHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for F2166 can be seen below.