The T-10S64U-20 from Teledyne Microwave Solutions is a RF & Microwave Isolator with Frequency 10 to 20 GHz, Average Power Forward 50 W, Average Power Reverse 2 W, Insertion Loss 1.4 dB, Isolation 35 dB. Tags: Module with Connector, Coaxial Isolator. More details for T-10S64U-20 can be seen below.