The ATi10-20 from Narda-ATM is a RF & Microwave Isolator with Frequency 10 to 20 GHz, Average Power 2 W, Average Power Forward 2 W, Peak Power Forward 0.03 kW, Insertion Loss 0.6 to 0.7 dB. Tags: Module with Connector, Coaxial Isolator. More details for ATi10-20 can be seen below.