The T1515/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 1.525 to 1.559 GHz, Average Power Forward 120 W, Average Power Reverse 1 W, Peak Power Forward 1 kW, Insertion Loss 0.3 dB. Tags: Drop-In, Drop-In Isolator. More details for T1515/DB can be seen below.