The L Band High Power Isolator from Smiths Interconnect is a Space Qualified Isolator with Frequency 1.57 to 1.62 GHz, Average Power Forward 162 W (CW), Peak Power 1 kW, Insertion Loss 0.15 dB, Isolation 21 dB. Tags: Coaxial Isolator. More details for L Band High Power Isolator can be seen below.