The T5866/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 5.85 to 6.65 GHz, Average Power Forward 65 W, Average Power Reverse 1 W, Peak Power Forward 0.5 kW, Insertion Loss 0.3 dB. Tags: Module with Connector, Coaxial Isolator. More details for T5866/DB can be seen below.