The T1618/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 1.6 to 1.8 GHz, Average Power Forward 65 W, Average Power Reverse 1 W, Peak Power Forward 1 kW, Insertion Loss 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for T1618/DB can be seen below.