The 1240IES from Nova Microwave is a RF & Microwave Isolator with Frequency 11.1 to 13.7 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 1240IES can be seen below.