The 0290IES from Nova Microwave is a RF & Microwave Isolator with Frequency 2.7 to 3.1 GHz, Average Power Forward 50 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for 0290IES can be seen below.