The T2537/S*B from Smiths Interconnect is a RF & Microwave Isolator with Frequency 2.5 to 3.7 GHz, Average Power Forward 75 W, Average Power Reverse 1 W, Peak Power Forward 0.1 kW, Insertion Loss 0.6 dB. Tags: Drop-In, Drop-In Isolator. More details for T2537/S*B can be seen below.