The 1325IES from Nova Microwave is a RF & Microwave Isolator with Frequency 11.5 to 15 GHz, Average Power Forward 30 W, Average Power Reverse 1 W, Insertion Loss 0.35 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for 1325IES can be seen below.