The T1415/DD from Smiths Interconnect is a RF & Microwave Isolator with Frequency 1.435 to 1.535 GHz, Average Power Forward 60 W, Average Power Reverse 1 W, Peak Power Forward 1 kW, Insertion Loss 0.5 dB. Tags: Drop-In, Drop-In Isolator. More details for T1415/DD can be seen below.