The ATi1.2-1.4 from Narda-ATM is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power 2 W, Average Power Forward 2 W, Peak Power Forward 0.5 kW, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for ATi1.2-1.4 can be seen below.