The PE8314 from Pasternack Enterprises Inc is a RF & Microwave Isolator with Frequency 3.5 to 12.8 GHz, Average Power Forward 2 W, Average Power Reverse 2 W, Insertion Loss 2.2 dB, Isolation 17 dB. Tags: Module with Connector, Coaxial Isolator. More details for PE8314 can be seen below.