The T2931/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 2.9 to 3.1 GHz, Average Power Forward 75 W, Average Power Reverse 1 W, Peak Power Forward 0.1 kW, Insertion Loss 0.5 dB. Tags: Drop-In, Drop-In Isolator. More details for T2931/DB can be seen below.