The ATi0.8-0.9 from Narda-ATM is a RF & Microwave Isolator with Frequency 800 to 900 MHz, Average Power 2 W, Average Power Forward 2 W, Peak Power Forward 0.75 kW, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for ATi0.8-0.9 can be seen below.