The T2123/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 2.1 to 2.3 GHz, Average Power Forward 80 W, Average Power Reverse 1 W, Peak Power Forward 0.5 kW, Insertion Loss 0.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for T2123/DB can be seen below.