The ATi8-12.4 from Narda-ATM is a RF & Microwave Isolator with Frequency 8 to 12.4 GHz, Average Power 2 W, Average Power Forward 2 W, Peak Power Forward 0.03 kW, Insertion Loss 0.35 to 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for ATi8-12.4 can be seen below.