The T-7S83U-40 from Teledyne Microwave Solutions is a RF & Microwave Isolator with Frequency 7.6 to 18 GHz, Average Power Forward 50 W, Average Power Reverse 2 W, Insertion Loss 0.8 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for T-7S83U-40 can be seen below.