The T3066/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 3 to 6.6 GHz, Average Power Forward 30 W, Average Power Reverse 1 W, Peak Power Forward 0.5 kW, Insertion Loss 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for T3066/DB can be seen below.