The T125141/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 12.5 to 14.1 GHz, Average Power Forward 20 W, Average Power Reverse 0.5 W, Peak Power Forward 0.05 kW, Insertion Loss 0.5 dB. Tags: Drop-In, Drop-In Isolator. More details for T125141/DB can be seen below.