The ATi1.6-1.8 from Narda-ATM is a RF & Microwave Isolator with Frequency 1.6 to 1.8 GHz, Average Power 2 W, Average Power Forward 2 W, Peak Power Forward 0.35 kW, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for ATi1.6-1.8 can be seen below.