The T1214/DD from Smiths Interconnect is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power Forward 60 W, Average Power Reverse 1 W, Peak Power Forward 1 kW, Insertion Loss 0.6 dB. Tags: Drop-In, Drop-In Isolator. More details for T1214/DD can be seen below.