The ATi26.5-40 from Narda-ATM is a RF & Microwave Isolator with Frequency 26.5 to 40 GHz, Average Power 2 W, Average Power Forward 2 W, Peak Power Forward 0.03 kW, Insertion Loss 0.8 to 1 dB. Tags: Module with Connector, Coaxial Isolator. More details for ATi26.5-40 can be seen below.